Continental nodes invisible

Got a strange situation form continental I see only Network Component Splitter but not other nodes. Computer runs Wind 7, KNIME is 3.7.2. Please advice.

Hi there,

I also run Win 7 and KNIME 3.7.2 and see both Utility and XLS Formatter. Did you update anything recently? I guess you tried to uninstall it and install it again?

Br,
Ivan

Yes, I reinstalled them with the same result.

Hi,

tried to reproduce it by updating KNIME but couldn’t. Also tried uninstalling and then installing and also nothing. Did you try with -clean option in your .ini file?

Br,
Ivan

1 Like

What -clean will do?

Hi @izaychik63,

The -clean option forces KNIME AP to recreate it’s plugin configuration files. Sometimes things go wrong during installation etc, this has been proven to fix some of these issues. Remember to remove this option again, as it slows down the startup time of KNIME AP.

best,
Gabriel

2 Likes

After restart with -clean still see just one Continental node. Should I reinstall again?
Also, I have warning and error below
eclipse.buildId=unknown

java.version=1.8.0_152

java.vendor=Oracle Corporation

BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=en_US

Command-line arguments: -os win32 -ws win32 -arch x86_64 -data file:/C:/Users/zaychiki/knime-workspace/

org.eclipse.ui

Warning

Tue Jun 11 12:38:30 EDT 2019

Warnings while parsing the key bindings from the ‘org.eclipse.ui.commands’ and ‘org.eclipse.ui.bindings’ extension point

eclipse.buildId=unknown

java.version=1.8.0_152

java.vendor=Oracle Corporation

BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=en_US

Command-line arguments: -os win32 -ws win32 -arch x86_64 -data file:/C:/Users/zaychiki/knime-workspace/

com.continental.knime.xlsformatter

Error

Tue Jun 11 12:38:20 EDT 2019

FrameworkEvent ERROR

org.osgi.framework.BundleException: Could not resolve module: com.continental.knime.xlsformatter [1172]

Bundle was not resolved because of a uses contraint violation.

org.osgi.service.resolver.ResolutionException: Uses constraint violation. Unable to resolve resource com.continental.knime.xlsformatter [osgi.identity; type=“osgi.bundle”; version:Version=“0.8.2.v201906071229”; osgi.identity=“com.continental.knime.xlsformatter”; singleton:=“true”] because it is exposed to package ‘org.w3c.dom.events’ from resources org.eclipse.osgi [osgi.identity; type=“osgi.bundle”; version:Version=“3.12.100.v20180210-1608”; osgi.identity=“org.eclipse.osgi”; singleton:=“true”] and org.w3c.dom.events [osgi.identity; type=“osgi.bundle”; version:Version=“3.0.0.draft20060413_v201105210656”; osgi.identity=“org.w3c.dom.events”] via two dependency chains.

Chain 1:

com.continental.knime.xlsformatter [osgi.identity; type=“osgi.bundle”; version:Version=“0.8.2.v201906071229”; osgi.identity=“com.continental.knime.xlsformatter”; singleton:=“true”]

require: (&(osgi.wiring.bundle=org.eclipse.core.runtime)(&(bundle-version>=3.13.0)(!(bundle-version>=4.0.0))))

 |

provide: osgi.wiring.bundle: org.eclipse.core.runtime

org.eclipse.osgi [osgi.identity; type=“osgi.bundle”; version:Version=“3.12.100.v20180210-1608”; osgi.identity=“org.eclipse.osgi”; singleton:=“true”]

Chain 2:

com.continental.knime.xlsformatter [osgi.identity; type=“osgi.bundle”; version:Version=“0.8.2.v201906071229”; osgi.identity=“com.continental.knime.xlsformatter”; singleton:=“true”]

require: (&(osgi.wiring.bundle=org.apache.servicemix.bundles.poi)(&(bundle-version>=3.17.0)(!(bundle-version>=5.0.0))))

 |

provide: osgi.wiring.bundle; bundle-version:Version="3.17.0.1"; osgi.wiring.bundle="org.apache.servicemix.bundles.poi"

org.apache.servicemix.bundles.poi [osgi.identity; type=“osgi.bundle”; version:Version=“3.17.0.1”; osgi.identity=“org.apache.servicemix.bundles.poi”]

import: (osgi.wiring.package=org.w3c.dom.events)

 |

export: osgi.wiring.package: org.w3c.dom.events

org.w3c.dom.events [osgi.identity; type=“osgi.bundle”; version:Version=“3.0.0.draft20060413_v201105210656”; osgi.identity=“org.w3c.dom.events”]

            at org.eclipse.osgi.container.Module.start(Module.java:444)

            at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.incStartLevel(ModuleContainer.java:1634)

            at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.incStartLevel(ModuleContainer.java:1613)

            at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.doContainerStartLevel(ModuleContainer.java:1585)

            at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.dispatchEvent(ModuleContainer.java:1528)

            at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.dispatchEvent(ModuleContainer.java:1)

            at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)

            at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:340)

Hi @izaychik63 ,

you did only restart? Try closing KNIME and then starting it again: Missing value on Linux

this is second time I’ve seen FrameworkEvent error for this module (com.continental.knime.xlsformatter)

This started after update, right?

Anyways will explore it and get back to you.

Br,
Ivan

1 Like

The framework error is stable.
Also, I have one more
eclipse.buildId=unknown

java.version=1.8.0_152

java.vendor=Oracle Corporation

BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=en_US

Command-line arguments: -os win32 -ws win32 -arch x86_64

org.eclipse.ui

Error

Wed Jun 12 09:25:30 EDT 2019

Unhandled event loop exception

org.eclipse.swt.SWTException: Widget is disposed

            at org.eclipse.swt.SWT.error(SWT.java:4533)

            at org.eclipse.swt.SWT.error(SWT.java:4448)

            at org.eclipse.swt.SWT.error(SWT.java:4419)

            at org.eclipse.swt.widgets.Widget.error(Widget.java:482)

            at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:354)

            at org.eclipse.swt.widgets.Widget.getStyle(Widget.java:679)

            at org.eclipse.draw2d.LightweightSystem$RootFigure.isMirrored(LightweightSystem.java:338)

            at org.eclipse.draw2d.Figure.isMirrored(Figure.java:1035)

            at org.eclipse.draw2d.Figure.isMirrored(Figure.java:1035)

            at org.eclipse.draw2d.Figure.isMirrored(Figure.java:1035)

            at org.eclipse.draw2d.Figure.isMirrored(Figure.java:1035)

            at org.eclipse.draw2d.Figure.isMirrored(Figure.java:1035)

            at org.eclipse.draw2d.Figure.isMirrored(Figure.java:1035)

            at org.eclipse.draw2d.Figure.isMirrored(Figure.java:1035)

            at org.eclipse.draw2d.Figure.isMirrored(Figure.java:1035)

            at org.eclipse.draw2d.text.BlockFlow.getOrientation(BlockFlow.java:166)

            at org.eclipse.draw2d.text.BlockFlow.validate(BlockFlow.java:307)

            at org.eclipse.draw2d.text.FlowPage.validate(FlowPage.java:150)

            at org.eclipse.draw2d.text.FlowPage.getPreferredSize(FlowPage.java:85)

            at org.eclipse.draw2d.BorderLayout.calculatePreferredSize(BorderLayout.java:157)

            at org.eclipse.draw2d.AbstractLayout.getPreferredSize(AbstractLayout.java:110)

            at org.eclipse.draw2d.AbstractHintLayout.getPreferredSize(AbstractHintLayout.java:90)

            at org.eclipse.draw2d.Figure.getPreferredSize(Figure.java:810)

            at org.eclipse.draw2d.Figure.getPreferredSize(Figure.java:800)

            at org.knime.workbench.editor2.editparts.NodeAnnotationEditPart$1.run(NodeAnnotationEditPart.java:125)

            at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:37)

            at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:182)

            at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4213)

            at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3820)

            at org.eclipse.swt.widgets.Display.release(Display.java:3874)

            at org.eclipse.swt.graphics.Device.dispose(Device.java:298)

            at org.knime.product.rcp.KNIMEApplication.start(KNIMEApplication.java:160)

            at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)

            at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)

            at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)

            at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:388)

            at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243)

            at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

            at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

            at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

            at java.lang.reflect.Method.invoke(Method.java:498)

            at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:653)

            at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590)

            at org.eclipse.equinox.launcher.Main.run(Main.java:1499)

That’s an interesting stack trace as it has to do with rendering annotations on the workflow canvas, so i’m not sure how that could impact seeing the existence of the nodes in the repository. If you close all open workflows, you should at least no longer see this exception and it will rule out whether it is somehow impacting the populating of the repository.

2 Likes

Thank you quaeler. After I closed half of the opened WF second error gone.

Ivan, do you have updates for my issue?

Hi @izaychik63,

Just to check where this the steps you performed?

  • uninstall Continental extension
  • close KNIME and start it with -clean option
  • install Continental Extension

If not try it in that order. If you already tried it I will look further.

Br,
Ivan

Ivan, I did it as you recommended. Error is persisting.

Hi @izaychik63,

Can you please try with a fresh installation of KNIME AP and a new Workspace? Just download the zip and extract it someplace.

best,
Gabriel

1 Like

It will be a hard choice. I do not have installation permissions anymore.

You do not need any special permissions to run use the version shipped with the zip file. You can just extract it and double-click the knime.exe file.

My company policy prohibits to run exe files. Only installed by admin.

Also, I’ve got 2 new errors after installing update for RDKit. today
eclipse.buildId=unknown

java.version=1.8.0_152

java.vendor=Oracle Corporation

BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=en_US

Command-line arguments: -os win32 -ws win32 -arch x86_64

org.eclipse.osgi

Error

Fri Jun 21 09:01:01 EDT 2019

An error occurred while automatically activating bundle com.vernalis.knime.chem.mmp (1229).

org.osgi.framework.BundleException: Exception in com.vernalis.knime.mmp.MatchedPairsMultipleCutsNodePlugin.start() of bundle com.vernalis.knime.chem.mmp.

            at org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:800)

            at org.eclipse.osgi.internal.framework.BundleContextImpl.start(BundleContextImpl.java:729)

            at org.eclipse.osgi.internal.framework.EquinoxBundle.startWorker0(EquinoxBundle.java:933)

            at org.eclipse.osgi.internal.framework.EquinoxBundle$EquinoxModule.startWorker(EquinoxBundle.java:309)

            at org.eclipse.osgi.container.Module.doStart(Module.java:581)

            at org.eclipse.osgi.container.Module.start(Module.java:449)

            at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:468)

            at org.eclipse.osgi.internal.hooks.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:103)

            at org.eclipse.osgi.internal.loader.classpath.ClasspathManager.findLocalClass(ClasspathManager.java:529)

            at org.eclipse.osgi.internal.loader.ModuleClassLoader.findLocalClass(ModuleClassLoader.java:328)

            at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:368)

            at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:446)

            at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:395)

            at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:387)

            at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:150)

            at java.lang.ClassLoader.loadClass(ClassLoader.java:357)

            at org.eclipse.osgi.internal.framework.EquinoxBundle.loadClass(EquinoxBundle.java:564)

            at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:174)

            at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:905)

            at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243)

            at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:55)

            at org.knime.workbench.repository.RepositoryFactory.createNode(RepositoryFactory.java:118)

            at org.knime.workbench.repository.RepositoryManager.readNodes(RepositoryManager.java:352)

            at org.knime.workbench.repository.RepositoryManager.readRepository(RepositoryManager.java:169)

            at org.knime.workbench.repository.RepositoryManager.getNodeTemplate(RepositoryManager.java:634)

            at org.knime.workbench.repository.NodeUsageRegistry.loadFrequentNodes(NodeUsageRegistry.java:375)

            at org.knime.workbench.ui.favorites.FavoriteNodesManager.loadFavoriteNodes(FavoriteNodesManager.java:290)

            at org.knime.workbench.ui.favorites.FavoriteNodesManager.loadFavorites(FavoriteNodesManager.java:264)

            at org.knime.workbench.ui.favorites.FavoriteNodesManager.createTreeModel(FavoriteNodesManager.java:172)

            at org.knime.workbench.ui.favorites.FavoriteNodesManager.<init>(FavoriteNodesManager.java:127)

            at org.knime.workbench.ui.favorites.FavoriteNodesManager.getInstance(FavoriteNodesManager.java:121)

            at org.knime.workbench.ui.favorites.FavoritesView$1.run(FavoritesView.java:113)

            at org.eclipse.core.internal.jobs.Worker.run(Worker.java:56)

Caused by: java.lang.UnsatisfiedLinkError: org.RDKit.RDKFuncsJNI.RWMol_MolFromSmarts__SWIG_3(Ljava/lang/String;)J

            at org.RDKit.RDKFuncsJNI.RWMol_MolFromSmarts__SWIG_3(Native Method)

            at org.RDKit.RWMol.MolFromSmarts(RWMol.java:436)

            at com.vernalis.knime.mmp.MatchedPairsMultipleCutsNodePlugin.start(MatchedPairsMultipleCutsNodePlugin.java:91)

            at org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:779)

            at org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:1)

            at java.security.AccessController.doPrivileged(Native Method)

            at org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:772)

            ... 32 more

Root exception:

java.lang.UnsatisfiedLinkError: org.RDKit.RDKFuncsJNI.RWMol_MolFromSmarts__SWIG_3(Ljava/lang/String;)J

            at org.RDKit.RDKFuncsJNI.RWMol_MolFromSmarts__SWIG_3(Native Method)

            at org.RDKit.RWMol.MolFromSmarts(RWMol.java:436)

            at com.vernalis.knime.mmp.MatchedPairsMultipleCutsNodePlugin.start(MatchedPairsMultipleCutsNodePlugin.java:91)

            at org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:779)

            at org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:1)

            at java.security.AccessController.doPrivileged(Native Method)

            at org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:772)

            at org.eclipse.osgi.internal.framework.BundleContextImpl.start(BundleContextImpl.java:729)

            at org.eclipse.osgi.internal.framework.EquinoxBundle.startWorker0(EquinoxBundle.java:933)

            at org.eclipse.osgi.internal.framework.EquinoxBundle$EquinoxModule.startWorker(EquinoxBundle.java:309)

            at org.eclipse.osgi.container.Module.doStart(Module.java:581)

            at org.eclipse.osgi.container.Module.start(Module.java:449)

            at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:468)

            at org.eclipse.osgi.internal.hooks.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:103)

            at org.eclipse.osgi.internal.loader.classpath.ClasspathManager.findLocalClass(ClasspathManager.java:529)

            at org.eclipse.osgi.internal.loader.ModuleClassLoader.findLocalClass(ModuleClassLoader.java:328)

            at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:368)

            at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:446)

            at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:395)

            at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:387)

            at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:150)

            at java.lang.ClassLoader.loadClass(ClassLoader.java:357)

            at org.eclipse.osgi.internal.framework.EquinoxBundle.loadClass(EquinoxBundle.java:564)

            at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:174)

            at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:905)

            at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243)

            at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:55)

            at org.knime.workbench.repository.RepositoryFactory.createNode(RepositoryFactory.java:118)

            at org.knime.workbench.repository.RepositoryManager.readNodes(RepositoryManager.java:352)

            at org.knime.workbench.repository.RepositoryManager.readRepository(RepositoryManager.java:169)

            at org.knime.workbench.repository.RepositoryManager.getNodeTemplate(RepositoryManager.java:634)

            at org.knime.workbench.repository.NodeUsageRegistry.loadFrequentNodes(NodeUsageRegistry.java:375)

            at org.knime.workbench.ui.favorites.FavoriteNodesManager.loadFavoriteNodes(FavoriteNodesManager.java:290)

            at org.knime.workbench.ui.favorites.FavoriteNodesManager.loadFavorites(FavoriteNodesManager.java:264)

            at org.knime.workbench.ui.favorites.FavoriteNodesManager.createTreeModel(FavoriteNodesManager.java:172)

            at org.knime.workbench.ui.favorites.FavoriteNodesManager.<init>(FavoriteNodesManager.java:127)

            at org.knime.workbench.ui.favorites.FavoriteNodesManager.getInstance(FavoriteNodesManager.java:121)

            at org.knime.workbench.ui.favorites.FavoritesView$1.run(FavoritesView.java:113)

            at org.eclipse.core.internal.jobs.Worker.run(Worker.java:56)

eclipse.buildId=unknown

java.version=1.8.0_152

java.vendor=Oracle Corporation

BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=en_US

Command-line arguments: -os win32 -ws win32 -arch x86_64

org.rdkit.knime.types

Error

Fri Jun 21 09:00:47 EDT 2019

Could not load native RDKit library: no boost_serialization-vc140-mt-x64-1_67 in java.library.path

java.lang.UnsatisfiedLinkError: no boost_serialization-vc140-mt-x64-1_67 in java.library.path

            at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1867)

            at java.lang.Runtime.loadLibrary0(Runtime.java:870)

            at java.lang.System.loadLibrary(System.java:1122)

            at org.rdkit.knime.RDKitTypesPluginActivator.start(RDKitTypesPluginActivator.java:169)

            at org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:779)

            at org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:1)

            at java.security.AccessController.doPrivileged(Native Method)

            at org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:772)

            at org.eclipse.osgi.internal.framework.BundleContextImpl.start(BundleContextImpl.java:729)

            at org.eclipse.osgi.internal.framework.EquinoxBundle.startWorker0(EquinoxBundle.java:933)

            at org.eclipse.osgi.internal.framework.EquinoxBundle$EquinoxModule.startWorker(EquinoxBundle.java:309)

            at org.eclipse.osgi.container.Module.doStart(Module.java:581)

            at org.eclipse.osgi.container.Module.start(Module.java:449)

            at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:468)

            at org.eclipse.osgi.internal.hooks.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:103)

            at org.eclipse.osgi.internal.loader.classpath.ClasspathManager.findLocalClass(ClasspathManager.java:529)

            at org.eclipse.osgi.internal.loader.ModuleClassLoader.findLocalClass(ModuleClassLoader.java:328)

            at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:368)

            at org.eclipse.osgi.internal.loader.sources.SingleSourcePackage.loadClass(SingleSourcePackage.java:36)

            at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:442)

            at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:395)

            at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:387)

            at org.eclipse.osgi.internal.loader.buddy.DependentPolicy.loadClass(DependentPolicy.java:55)

            at org.eclipse.osgi.internal.loader.buddy.PolicyHandler.doBuddyClassLoading(PolicyHandler.java:141)

            at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:471)

            at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:395)

            at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:387)

            at org.eclipse.osgi.internal.loader.buddy.DependentPolicy.loadClass(DependentPolicy.java:55)

            at org.eclipse.osgi.internal.loader.buddy.PolicyHandler.doBuddyClassLoading(PolicyHandler.java:141)

            at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:471)

            at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:395)

            at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:387)

            at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:150)

            at java.lang.ClassLoader.loadClass(ClassLoader.java:357)

            at java.lang.Class.forName0(Native Method)

            at java.lang.Class.forName(Class.java:264)

            at org.knime.core.data.ExtensibleUtilityFactory.loadAllFactories(ExtensibleUtilityFactory.java:383)

            at org.knime.core.data.ExtensibleUtilityFactory.getAllFactories(ExtensibleUtilityFactory.java:351)

            at org.knime.workbench.ui.preferences.PreferenceInitializer.initializeDefaultPreferences(PreferenceInitializer.java:139)

            at org.eclipse.core.internal.preferences.PreferenceServiceRegistryHelper$1.run(PreferenceServiceRegistryHelper.java:298)

            at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)

            at org.eclipse.core.internal.preferences.PreferenceServiceRegistryHelper.runInitializer(PreferenceServiceRegistryHelper.java:301)

            at org.eclipse.core.internal.preferences.PreferenceServiceRegistryHelper.applyRuntimeDefaults(PreferenceServiceRegistryHelper.java:131)

            at org.eclipse.core.internal.preferences.PreferencesService.applyRuntimeDefaults(PreferencesService.java:371)

            at org.eclipse.core.internal.preferences.DefaultPreferences.applyRuntimeDefaults(DefaultPreferences.java:222)

            at org.eclipse.core.internal.preferences.DefaultPreferences.load(DefaultPreferences.java:276)

            at org.eclipse.core.internal.preferences.EclipsePreferences.create(EclipsePreferences.java:370)

            at org.eclipse.core.internal.preferences.EclipsePreferences.internalNode(EclipsePreferences.java:623)

            at org.eclipse.core.internal.preferences.EclipsePreferences.node(EclipsePreferences.java:766)

            at org.eclipse.core.internal.preferences.AbstractScope.getNode(AbstractScope.java:38)

            at org.eclipse.core.runtime.preferences.DefaultScope.getNode(DefaultScope.java:74)

            at org.eclipse.ui.preferences.ScopedPreferenceStore.getDefaultPreferences(ScopedPreferenceStore.java:233)

            at org.eclipse.ui.preferences.ScopedPreferenceStore.getPreferenceNodes(ScopedPreferenceStore.java:264)

            at org.eclipse.ui.preferences.ScopedPreferenceStore.internalGet(ScopedPreferenceStore.java:412)

            at org.eclipse.ui.preferences.ScopedPreferenceStore.getInt(ScopedPreferenceStore.java:430)

            at org.knime.workbench.ui.KNIMEUIPlugin.start(KNIMEUIPlugin.java:135)

            at org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:779)

            at org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:1)

            at java.security.AccessController.doPrivileged(Native Method)

            at org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:772)

            at org.eclipse.osgi.internal.framework.BundleContextImpl.start(BundleContextImpl.java:729)

            at org.eclipse.osgi.internal.framework.EquinoxBundle.startWorker0(EquinoxBundle.java:933)

            at org.eclipse.osgi.internal.framework.EquinoxBundle$EquinoxModule.startWorker(EquinoxBundle.java:309)

            at org.eclipse.osgi.container.Module.doStart(Module.java:581)

            at org.eclipse.osgi.container.Module.start(Module.java:449)

            at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:468)

            at org.eclipse.osgi.internal.hooks.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:103)

            at org.eclipse.osgi.internal.loader.classpath.ClasspathManager.findLocalClass(ClasspathManager.java:529)

            at org.eclipse.osgi.internal.loader.ModuleClassLoader.findLocalClass(ModuleClassLoader.java:328)

            at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:368)

            at org.eclipse.osgi.internal.loader.sources.SingleSourcePackage.loadClass(SingleSourcePackage.java:36)

            at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:442)

            at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:395)

            at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:387)

            at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:150)

            at java.lang.ClassLoader.loadClass(ClassLoader.java:357)

            at org.knime.product.rcp.KNIMEApplicationActionBarAdvisor.makeActions(KNIMEApplicationActionBarAdvisor.java:208)

            at org.eclipse.ui.application.ActionBarAdvisor.fillActionBars(ActionBarAdvisor.java:149)

            at org.knime.product.rcp.KNIMEApplicationActionBarAdvisor.fillActionBars(KNIMEApplicationActionBarAdvisor.java:487)

            at org.eclipse.ui.internal.WorkbenchWindow.fillActionBars(WorkbenchWindow.java:2592)

            at org.eclipse.ui.internal.WorkbenchWindow.setup(WorkbenchWindow.java:673)

            at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

            at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

            at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

            at java.lang.reflect.Method.invoke(Method.java:498)

            at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:55)

            at org.eclipse.e4.core.internal.di.InjectorImpl.processAnnotated(InjectorImpl.java:990)

            at org.eclipse.e4.core.internal.di.InjectorImpl.inject(InjectorImpl.java:124)

            at org.eclipse.e4.core.internal.di.InjectorImpl.inject(InjectorImpl.java:91)

            at org.eclipse.e4.core.contexts.ContextInjectionFactory.inject(ContextInjectionFactory.java:73)

            at org.eclipse.ui.internal.Workbench.createWorkbenchWindow(Workbench.java:1494)

            at org.eclipse.ui.internal.Workbench.openWorkbenchWindow(Workbench.java:2571)

            at org.eclipse.ui.internal.Workbench.getWorkbenchPage(Workbench.java:2016)

            at org.eclipse.ui.internal.Workbench.setReference(Workbench.java:2064)

            at org.eclipse.ui.internal.Workbench.lambda$11(Workbench.java:1954)

            at org.eclipse.e4.ui.services.internal.events.UIEventHandler$1.run(UIEventHandler.java:40)

            at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:233)

            at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:144)

            at org.eclipse.swt.widgets.Display.syncExec(Display.java:4889)

            at org.eclipse.e4.ui.internal.workbench.swt.E4Application$1.syncExec(E4Application.java:212)

            at org.eclipse.e4.ui.services.internal.events.UIEventHandler.handleEvent(UIEventHandler.java:36)

            at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:201)

            at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:197)

            at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:1)

            at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)

            at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)

            at org.eclipse.equinox.internal.event.EventAdminImpl.dispatchEvent(EventAdminImpl.java:135)

            at org.eclipse.equinox.internal.event.EventAdminImpl.sendEvent(EventAdminImpl.java:78)

            at org.eclipse.equinox.internal.event.EventComponent.sendEvent(EventComponent.java:39)

            at org.eclipse.e4.ui.services.internal.events.EventBroker.send(EventBroker.java:52)

            at org.eclipse.e4.ui.internal.workbench.UIEventPublisher.notifyChanged(UIEventPublisher.java:60)

            at org.eclipse.emf.common.notify.impl.BasicNotifierImpl.eNotify(BasicNotifierImpl.java:374)

            at org.eclipse.e4.ui.model.application.ui.basic.impl.PartImpl.setContext(PartImpl.java:443)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:636)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$1.run(PartRenderingEngine.java:546)

            at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:530)

            at org.eclipse.e4.ui.workbench.renderers.swt.ElementReferenceRenderer.createWidget(ElementReferenceRenderer.java:70)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createWidget(PartRenderingEngine.java:992)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:661)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:767)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$0(PartRenderingEngine.java:738)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$2.run(PartRenderingEngine.java:732)

            at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:716)

            at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.showTab(StackRenderer.java:1293)

            at org.eclipse.e4.ui.workbench.renderers.swt.LazyStackRenderer.postProcess(LazyStackRenderer.java:97)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:679)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:767)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$0(PartRenderingEngine.java:738)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$2.run(PartRenderingEngine.java:732)

            at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:716)

            at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.processContents(SWTPartRenderer.java:69)

            at org.eclipse.e4.ui.workbench.renderers.swt.SashRenderer.processContents(SashRenderer.java:137)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:675)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:767)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$0(PartRenderingEngine.java:738)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$2.run(PartRenderingEngine.java:732)

            at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:716)

            at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.processContents(SWTPartRenderer.java:69)

            at org.eclipse.e4.ui.workbench.renderers.swt.SashRenderer.processContents(SashRenderer.java:137)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:675)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:767)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$0(PartRenderingEngine.java:738)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$2.run(PartRenderingEngine.java:732)

            at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:716)

            at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.processContents(SWTPartRenderer.java:69)

            at org.eclipse.e4.ui.workbench.renderers.swt.PerspectiveRenderer.processContents(PerspectiveRenderer.java:49)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:675)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:767)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$0(PartRenderingEngine.java:738)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$2.run(PartRenderingEngine.java:732)

            at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:716)

            at org.eclipse.e4.ui.workbench.renderers.swt.PerspectiveStackRenderer.showTab(PerspectiveStackRenderer.java:79)

            at org.eclipse.e4.ui.workbench.renderers.swt.LazyStackRenderer.postProcess(LazyStackRenderer.java:97)

            at org.eclipse.e4.ui.workbench.renderers.swt.PerspectiveStackRenderer.postProcess(PerspectiveStackRenderer.java:61)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:679)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:767)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$0(PartRenderingEngine.java:738)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$2.run(PartRenderingEngine.java:732)

            at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:716)

            at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.processContents(SWTPartRenderer.java:69)

            at org.eclipse.e4.ui.workbench.renderers.swt.SashRenderer.processContents(SashRenderer.java:137)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:675)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:767)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$0(PartRenderingEngine.java:738)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$2.run(PartRenderingEngine.java:732)

            at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:716)

            at org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer.processContents(SWTPartRenderer.java:69)

            at org.eclipse.e4.ui.workbench.renderers.swt.WBWRenderer.processContents(WBWRenderer.java:704)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:675)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.safeCreateGui(PartRenderingEngine.java:767)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.access$0(PartRenderingEngine.java:738)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$2.run(PartRenderingEngine.java:732)

            at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.createGui(PartRenderingEngine.java:716)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1076)

            at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)

            at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1039)

            at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:153)

            at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:680)

            at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)

            at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:594)

            at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148)

            at org.knime.product.rcp.KNIMEApplication.start(KNIMEApplication.java:144)

            at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)

            at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)

            at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)

            at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:388)

            at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243)

            at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

            at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

            at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

            at java.lang.reflect.Method.invoke(Method.java:498)

            at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:653)

            at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590)

            at org.eclipse.equinox.launcher.Main.run(Main.java:1499)

Could it be, that because you have such a draconian administrative policy over your machine, that even installing new plugins is being disallowed in some fashion?