Exception in thread "main" java.lang.RuntimeException: Error starting org.neo4j.kernel.EmbeddedGraphDatabase, C:\TPNeo4jDB at org.neo4j.kernel.InternalAbstractGraphDatabase.run(InternalAbstractGraphDatabase.java:366) at org.neo4j.kernel.EmbeddedGraphDatabase.<init>(EmbeddedGraphDatabase.java:59) at org.neo4j.graphdb.factory.GraphDatabaseFactory$1.newDatabase(GraphDatabaseFactory.java:91) at org.neo4j.graphdb.factory.GraphDatabaseBuilder.newGraphDatabase(GraphDatabaseBuilder.java:181) at org.neo4j.graphdb.factory.GraphDatabaseFactory.newEmbeddedDatabase(GraphDatabaseFactory.java:71) at com.all.action.JavaNeo4jCQLRetrivalTest.main(JavaNeo4jCQLRetrivalTest.java:13) Caused by: org.neo4j.kernel.lifecycle.LifecycleException: Component 'org.neo4j.kernel.StoreLockerLifecycleAdapter@3447c30b' was successfully initialized, but failed to start. Please see attached cause exception. at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:513) at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:115) at org.neo4j.kernel.InternalAbstractGraphDatabase.run(InternalAbstractGraphDatabase.java:343) ... 5 more Caused by: org.neo4j.kernel.StoreLockException: Unable to obtain lock on store lock file: C:\TPNeo4jDB\store_lock. Please ensure no other process is using this database, and that the directory is writable (required even for read-only access) at org.neo4j.kernel.StoreLocker.checkLock(StoreLocker.java:82) at org.neo4j.kernel.StoreLockerLifecycleAdapter.start(StoreLockerLifecycleAdapter.java:44) at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:507) ... 7 more Caused by: java.io.IOException: Couldn't lock lock file C:\TPNeo4jDB\lock because another process already holds the lock. at org.neo4j.kernel.impl.nioneo.store.FileLock.getLockFileBasedFileLock(FileLock.java:120) at org.neo4j.kernel.impl.nioneo.store.FileLock.getOsSpecificFileLock(FileLock.java:64) at org.neo4j.kernel.DefaultFileSystemAbstraction.tryLock(DefaultFileSystemAbstraction.java:93) at org.neo4j.kernel.StoreLocker.checkLock(StoreLocker.java:74) ... 9 more
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