Getting Null Pointer Exception when starting Neo4j Server(HA) on windows.

[Gouse]

Hi All,

  I am using neo4j-enterprise-1.8.2 version server.I am getting Null pointer exception when starting neo4j server.I have configured HA on single machine.I have java jdk 1.7 installed on my machine.Can some one please help me on this.

I am getting error while attaching files.so below is the neo4j log and message information.

neo4j log information :

Feb 07, 2014 4:45:12 PM org.neo4j.server.logging.Logger log

WARNING: WARNING! You are using an unsupported version of the Java runtime. Please use Oracle(R) Java(TM) Runtime Environment 6.

Feb 07, 2014 4:45:13 PM org.neo4j.server.logging.Logger log

INFO: Loaded neo4j tuning properties from conf/neo4j.properties

Feb 07, 2014 4:45:13 PM org.neo4j.kernel.impl.transaction.xaframework.XaLogicalLog doInternalRecovery

INFO: Non clean shutdown detected on log [D:\neo4j-enterprise-1.8.2\data\graph.db\nioneo_logical.log.1]. Recovery started ...

Feb 07, 2014 4:45:19 PM org.neo4j.kernel.impl.transaction.xaframework.XaLogicalLog doInternalRecovery

INFO: Non clean shutdown detected on log [D:\neo4j-enterprise-1.8.2\data\graph.db\index\lucene.log.1]. Recovery started ...

Feb 07, 2014 4:45:21 PM org.neo4j.server.logging.Logger log

INFO: Successfully started database

Feb 07, 2014 4:45:21 PM org.neo4j.server.logging.Logger log

INFO: Starting Neo Server on port [7474] with [20] threads available

Feb 07, 2014 4:45:21 PM org.neo4j.server.logging.Logger log

INFO: Enabling HTTPS on port [7473]

Feb 07, 2014 4:45:22 PM org.neo4j.server.logging.Logger log

INFO: Mounted discovery module at [/]

Feb 07, 2014 4:45:22 PM org.neo4j.server.logging.Logger log

SEVERE: 

java.lang.NullPointerException

at java.io.FilterInputStream.close(Unknown Source)

at sun.net.www.protocol.jar.JarURLConnection$JarURLInputStream.close(Unknown Source)

at sun.nio.cs.StreamDecoder.implClose(Unknown Source)

at sun.nio.cs.StreamDecoder.close(Unknown Source)

at java.io.InputStreamReader.close(Unknown Source)

at java.io.BufferedReader.close(Unknown Source)

at sun.misc.Service.parse(Unknown Source)

at sun.misc.Service.access$100(Unknown Source)

at sun.misc.Service$LazyIterator.hasNext(Unknown Source)

at org.neo4j.helpers.Service$1$1.fetchNextOrNull(Service.java:264)

at org.neo4j.helpers.collection.PrefetchingIterator.hasNext(PrefetchingIterator.java:55)

at org.neo4j.server.plugins.PluginManager.<init>(PluginManager.java:52)

at org.neo4j.server.plugins.PluginManager.<init>(PluginManager.java:46)

at org.neo4j.server.modules.RESTApiModule.loadPlugins(RESTApiModule.java:123)

at org.neo4j.server.modules.RESTApiModule.start(RESTApiModule.java:63)

at org.neo4j.server.AbstractNeoServer.startModules(AbstractNeoServer.java:170)

at org.neo4j.server.AbstractNeoServer.start(AbstractNeoServer.java:139)

at org.neo4j.server.Bootstrapper.start(Bootstrapper.java:85)

at org.neo4j.server.Bootstrapper.main(Bootstrapper.java:49)

Feb 07, 2014 4:45:22 PM org.neo4j.server.logging.Logger log

SEVERE: Failed to start Neo Server on port [7474]

message file information :

2014-02-07 16:53:43,316 DEBUG [neo4j.diagnostics]:   nioneo_logical.log.v9: 2013-05-24T18:15:46+0530 - 16.00 B

2014-02-07 16:53:43,316 DEBUG [neo4j.diagnostics]:   store_lock: 2013-05-08T15:16:58+0530 - 0.00 B

2014-02-07 16:53:43,316 DEBUG [neo4j.diagnostics]:   tm_tx_log.1: 2014-02-07T16:53:41+0530 - 0.00 B

2014-02-07 16:53:43,316 DEBUG [neo4j.diagnostics]: --- STARTUP diagnostics for KernelDiagnostics:StoreFiles END ---

2014-02-07 16:53:43,332 INFO  [neo4j]: Started - database is now available

2014-02-07 16:53:43,566 INFO  [neo4j]: GC Monitor started. 

2014-02-07 16:53:43,815 INFO  [neo4j]: GC Monitor: Application threads blocked for an additional 149ms [total block time: 0.149s]

2014-02-07 16:53:44,081 DEBUG [neo4j.diagnostics]: --- SERVER STARTUP START ---

2014-02-07 16:53:44,081 DEBUG [neo4j.diagnostics]: --- STARTUP diagnostics for org.neo4j.server.configuration.Configurator START ---

2014-02-07 16:53:44,081 DEBUG [neo4j.diagnostics]: Server configuration:

2014-02-07 16:53:44,081 DEBUG [neo4j.diagnostics]: org.neo4j.server.database.location = data/graph.db

2014-02-07 16:53:44,081 DEBUG [neo4j.diagnostics]: org.neo4j.server.webserver.port = 7474

2014-02-07 16:53:44,081 DEBUG [neo4j.diagnostics]: org.neo4j.server.webserver.https.enabled = true

2014-02-07 16:53:44,081 DEBUG [neo4j.diagnostics]: org.neo4j.server.webserver.https.port = 7473

2014-02-07 16:53:44,081 DEBUG [neo4j.diagnostics]: org.neo4j.server.webserver.https.cert.location = conf/ssl/snakeoil.cert

2014-02-07 16:53:44,081 DEBUG [neo4j.diagnostics]: org.neo4j.server.webserver.https.key.location = conf/ssl/snakeoil.key

2014-02-07 16:53:44,081 DEBUG [neo4j.diagnostics]: org.neo4j.server.webserver.https.keystore.location = data/keystore

2014-02-07 16:53:44,081 DEBUG [neo4j.diagnostics]: org.neo4j.server.webadmin.rrdb.location = data/rrd

2014-02-07 16:53:44,081 DEBUG [neo4j.diagnostics]: org.neo4j.server.db.tuning.properties = conf/neo4j.properties

2014-02-07 16:53:44,081 DEBUG [neo4j.diagnostics]: org.neo4j.server.database.mode = SINGLE

2014-02-07 16:53:44,081 DEBUG [neo4j.diagnostics]: org.neo4j.server.http.log.enabled = false

2014-02-07 16:53:44,081 DEBUG [neo4j.diagnostics]: org.neo4j.server.http.log.config = conf/neo4j-http-logging.xml

2014-02-07 16:53:44,081 DEBUG [neo4j.diagnostics]: org.neo4j.server.webadmin.management.uri = /db/manage/

2014-02-07 16:53:44,081 DEBUG [neo4j.diagnostics]: org.neo4j.server.webadmin.data.uri = /db/data/

2014-02-07 16:53:44,081 DEBUG [neo4j.diagnostics]: --- STARTUP diagnostics for org.neo4j.server.configuration.Configurator END ---

2014-02-07 16:53:44,112 DEBUG [neo4j.diagnostics]: Mounted discovery module (org.neo4j.server.rest.discovery) at: /

2014-02-07 16:53:44,315 INFO  [neo4j]: GC Monitor: Application threads blocked for an additional 166ms [total block time: 0.315s]

Thanks

Gouse

[Michael Hunger]

Do you have any custom plugins registered or installed?

Or changed your classpath in any way or have a different default class path?

It fails because of a issue scanning for plugins from the classpath.

Michael

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[Gouse Mohiddin]

Thanks Michael for your reply.

I have not registered or installed any custom plugins.I have installed java jdk1.7 and specified it in the class path.Can you please eloborate about the plugins neo4j scan from the classpath.

Thnaks

Gouse

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