The Problem

I have Eclipse Oxygen on my system and I am trying to open it. Thing is that I am not able to open it and it is throwing error.

This is the error I am getting

When I checked logs, it was showing below error.

!ENTRY org.eclipse.core.runtime 4 0 2018-10-12 20:38:08.441
!MESSAGE FrameworkEvent ERROR
!STACK 0
org.osgi.framework.BundleException: Unable to acquire the state change lock for the module: osgi.identity; type="osgi.bundle"; version:Version="3.12.0.v20160901-1938"; osgi.identity="org.eclipse.core.runtime"; singleton:="true" [id=113] STARTED [STARTED]
 at org.eclipse.osgi.container.Module.lockStateChange(Module.java:337)
 at org.eclipse.osgi.container.Module.start(Module.java:401)
 at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.incStartLevel(ModuleContainer.java:1628)
 at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.incStartLevel(ModuleContainer.java:1608)
 at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.doContainerStartLevel(ModuleContainer.java:1579)
 at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.dispatchEvent(ModuleContainer.java:1522)
 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)
Caused by: java.util.concurrent.TimeoutException: Timeout after waiting 5 seconds to acquire the lock.
 at org.eclipse.osgi.container.Module.lockStateChange(Module.java:334)
 ... 8 more
Root exception:
java.util.concurrent.TimeoutException: Timeout after waiting 5 seconds to acquire the lock.
 at org.eclipse.osgi.container.Module.lockStateChange(Module.java:334)
 at org.eclipse.osgi.container.Module.start(Module.java:401)
 at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.incStartLevel(ModuleContainer.java:1628)
 at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.incStartLevel(ModuleContainer.java:1608)
 at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.doContainerStartLevel(ModuleContainer.java:1579)
 at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.dispatchEvent(ModuleContainer.java:1522)
 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)

Solution

To overcome this problem just go to below location and delete all files.

• Go to Eclipse folder.
• Navigate to folder configuration > org.eclipse.osgi > .manager
• Select files .fileTable.7, .fileTable.8 and .fileTableLock
• Delete all

Finally the problem is resolved and you can see your project loads.

Thank you for reading.