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Eclipse - Unable to Acquire the State Change Lock
By Big | Oct 12, 2018 | In Tips | Total Views [ 105 ]
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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.

Eclipse Oxygen

This is the error I am getting

Error

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

Go to folder

Go to folder

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

project loaded

Thank you for reading.

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About the Author

Big
Rahul Jha (Big)
Founder, Developer dotnet-concept.com
Has working experience in different phases of Software Development Life Cycle (SDLC) in CMS, Gaming, Health Care and Financial Services domain using Agile pattern. Working experience in Design patterns, ASP.NET, MVC, Windows application, WCF, ADO.NET, SQL Server and Test Driven Development (TDD) environment with JQuery, JavaScript, N-Unit, Entity Frameworks, LINQ, Code Refactoring and Business Objects Models.

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