Thanks a lot for your reply. Now my code is working perfectly. Thanks everyone.
On Thu, Jan 23, 2014 at 4:30 PM, Lasse Westh-Nielsen < [email protected]> wrote: > Kalidhakani, > > Your embedded instance will not be allowed to touch the files belonging to > those 3 instances that are already running the cluster. > > Instead, you have to make your embedded instance join the cluster as the > 4th member, with it's own copy of the database (e.g. /home/myData4/graph. > db). > > Regards, > > Lasse > > > > > On Thu, Jan 23, 2014 at 11:47 AM, Kalidhakani J <[email protected]>wrote: > >> I have 3 instances. >> Servers db configs are as follows, >> 192.168.9.1: >> org.neo4j.server.database.location=/home/myData1/graph.db >> >> 192.168.9.2: >> org.neo4j.server.database.location=/home/myData2/graph.db >> >> 192.168.9.3: >> org.neo4j.server.database.location=/home/myData3/graph.db >> >> Each server is running in different machines(different disks). >> Now which db path shld i give for,embedded ha db ?? >> >> wen i tried giving, >> GraphDatabaseService service = new >> HighlyAvailableGraphDatabaseFactory().newHighlyAvailableDatabaseBuilder("/home/myData1/graph.db").loadPropertiesFromFile("neo4j.properties").newGraphDatabase(); >> >> neo4j.properties has following config. >> >> ha.server_id=1 >> ha.initial_hosts=192.168.9.1:5001,192.168.9.2:5002,192.168.9.3:5003 >> >> 1. I started the servers >> 2. I run my code as above. >> >> It is showing me the following exception, >> >> Exception in thread "main" java.lang.ExceptionInInitializerError >> Caused by: java.lang.RuntimeException: Error starting >> org.neo4j.kernel.ha.HighlyAvailableGraphDatabase, /home/myData/graph.db >> at >> org.neo4j.kernel.InternalAbstractGraphDatabase.run(InternalAbstractGraphDatabase.java:333) >> at >> org.neo4j.kernel.ha.HighlyAvailableGraphDatabase.<init>(HighlyAvailableGraphDatabase.java:139) >> at >> org.neo4j.graphdb.factory.HighlyAvailableGraphDatabaseFactory$1.newDatabase(HighlyAvailableGraphDatabaseFactory.java:47) >> at >> org.neo4j.graphdb.factory.GraphDatabaseBuilder.newGraphDatabase(GraphDatabaseBuilder.java:198) >> at in.co.nmsworks.Neo4jTest.<clinit>(Neo4jTest.java:15) >> Caused by: org.neo4j.kernel.lifecycle.LifecycleException: Component >> 'org.neo4j.kernel.StoreLockerLifecycleAdapter@29fc9a67' was successfully >> initialized, but failed to start. Please see attached cause exception. >> at >> org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:504) >> at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:115) >> at >> org.neo4j.kernel.InternalAbstractGraphDatabase.run(InternalAbstractGraphDatabase.java:310) >> ... 4 more >> Caused by: org.neo4j.kernel.StoreLockException: Unable to obtain lock on >> store lock file: /home/myData/graph.db/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:87) >> at >> org.neo4j.kernel.StoreLockerLifecycleAdapter.start(StoreLockerLifecycleAdapter.java:44) >> at >> org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:498) >> ... 6 more >> Caused by: java.io.IOException: Unable to lock >> sun.nio.ch.FileChannelImpl@6cf143b4 because another process already >> holds the lock. >> at >> org.neo4j.kernel.impl.nioneo.store.FileLock.getOsSpecificFileLock(FileLock.java:87) >> at >> org.neo4j.kernel.DefaultFileSystemAbstraction.tryLock(DefaultFileSystemAbstraction.java:89) >> at org.neo4j.kernel.StoreLocker.checkLock(StoreLocker.java:74) >> ... 8 more >> >> >> Thing is servers are having lock on the db. And wen i try to access that >> db through my embedded code it is showing the above exception. If this is >> the problem, then how can i use HA embedded code to access the db ?? >> >> My server shld be running in the background. Through embedded code I have >> to modfy the db. How can i do that?? I hope I am clear now. >> >> >> Thanks >> >> >> >> >> >> On Thu, Jan 23, 2014 at 3:38 PM, Michael Hunger < >> [email protected]> wrote: >> >>> Make sure you have a different config for each server >>> >>> And give loadproperties the full path too >>> >>> Note that they must not share a db directory on disk >>> >>> Sent from mobile device >>> >>> Am 23.01.2014 um 09:30 schrieb Kalidhakani J <[email protected]>: >>> >>> In my servers I have given the path as data/graph.db >>> my properties file(neo4jServer.properties) has the following values, >>> >>> ha.server_id=1 >>> ha.initial_hosts=192.168.9.1:5001,192.168.9.2:5002,192.168.9.3:5003 >>> >>> I started my servers. Then for creating HIghlyAvailableGraphDatabase, I >>> used the following code, >>> >>> GraphDatabaseService graphDb = new >>> HighlyAvailableGraphDatabaseFactory().newHighlyAvailableDatabaseBuilder("<SERVER_PATH>/data/graph.db").loadPropertiesFromFile(" >>> neo4jServer.properties").newGraphDatabase(); >>> >>> >>> When i try to run the code it is showing me the above exception I >>> mentioned. >>> >>> >>> My requirement is I have to modify the DB that is running in the server >>> through embedded highly available graph database. >>> >>> Help me. >>> >>> >>> >>> On Thu, Jan 23, 2014 at 1:14 PM, Michael Hunger < >>> [email protected]> wrote: >>> >>>> You have to provide the same ha config >>>> as in server as map to the HA-DB >>>> >>>> Sent from mobile device >>>> >>>> Am 23.01.2014 um 05:36 schrieb Kalidhakani J <[email protected]>: >>>> >>>> Actually my servers are running. I am trying to use the server's db. >>>> How can I do that in embedded highly available graph database ?? When i try >>>> to create a embedded highly available graph database giving the path name >>>> as server's db path, it is showing me this exception. How can i implement >>>> it ??? Wat am i missing here? Help me. >>>> >>>> >>>> On Mon, Jan 20, 2014 at 7:00 PM, Peter Neubauer < >>>> [email protected]> wrote: >>>> >>>>> Can you please check that no other neo4j java process is currently >>>>> running on that machine, as it seems two database instances are trying to >>>>> access the files? >>>>> >>>>> /peter >>>>> >>>>> >>>>> G: neubauer.peter >>>>> S: peter.neubauer >>>>> P: +46 704 106975 >>>>> L: http://www.linkedin.com/in/neubauer >>>>> T: @peterneubauer >>>>> >>>>> Neo4j 2.0.0 - >>>>> (graphs)-[:FOR]->(everyone)<http://blog.neo4j.org/2013/12/neo4j-20-ga-graphs-for-everyone.html> >>>>> Do something useful - Teach your kids 1 hour code!<http://code.org/learn> >>>>> >>>>> >>>>> On Fri, Jan 17, 2014 at 1:14 PM, Kalidhakani J >>>>> <[email protected]>wrote: >>>>> >>>>>> HI all, >>>>>> >>>>>> I created a cluster with three nodes. In every server I gave my >>>>>> database path as data/myGraph.db >>>>>> >>>>>> For creating HIghlyAvailableGraphDatabase, I used the following code, >>>>>> >>>>>> GraphDatabaseService graphDb = >>>>>> databaseFactory.newHighlyAvailableDatabaseBuilder("<SERVER_PATH>/data/myGraph.db") >>>>>> .loadPropertiesFromFile("neo4jProperties.properties") >>>>>> .newGraphDatabase(); >>>>>> >>>>>> where my properties file had the configurations as follows, >>>>>> >>>>>> ha.server_id=1 >>>>>> ha.initial_hosts=192.168.9.1:5001,192.168.9.2:5002,192.168.9.3:5003 >>>>>> >>>>>> I tried creating a node as follows, >>>>>> >>>>>> Transaction tx = graphDb.beginTx(); >>>>>> Node node1 =graphDb.createNode(); >>>>>> node1.setProperty("name", "kk"); >>>>>> node1.setProperty("college", "ceg"); >>>>>> graphDb.index().forNodes( "nodes" ).add( node1, "name", "kk" ); >>>>>> System.out.println("Node1 name :"+node1.getProperty("name")); >>>>>> tx.success(); >>>>>> tx.close(); >>>>>> >>>>>> But when i run the code I get the following exception, >>>>>> >>>>>> >>>>>> Exception in thread "main" java.lang.RuntimeException: Error starting >>>>>> org.neo4j.kernel.ha.HighlyAvailableGraphDatabase, >>>>>> /home/admin/neo4j-enterprise-2.0.0/data/kkGraph.db >>>>>> at >>>>>> org.neo4j.kernel.InternalAbstractGraphDatabase.run(InternalAbstractGraphDatabase.java:333) >>>>>> at >>>>>> org.neo4j.kernel.ha.HighlyAvailableGraphDatabase.<init>(HighlyAvailableGraphDatabase.java:139) >>>>>> at >>>>>> org.neo4j.graphdb.factory.HighlyAvailableGraphDatabaseFactory$1.newDatabase(HighlyAvailableGraphDatabaseFactory.java:47) >>>>>> at >>>>>> org.neo4j.graphdb.factory.GraphDatabaseBuilder.newGraphDatabase(GraphDatabaseBuilder.java:198) >>>>>> at >>>>>> in.co.nmsworks.neo4j.examples.HighlyAvailableDbTest.main(HighlyAvailableDbTest.java:30) >>>>>> Caused by: org.neo4j.kernel.lifecycle.LifecycleException: Component >>>>>> 'org.neo4j.kernel.StoreLockerLifecycleAdapter@7fa9629b' was >>>>>> successfully initialized, but failed to start. Please see attached cause >>>>>> exception. >>>>>> at >>>>>> org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:504) >>>>>> at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:115) >>>>>> at >>>>>> org.neo4j.kernel.InternalAbstractGraphDatabase.run(InternalAbstractGraphDatabase.java:310) >>>>>> ... 4 more >>>>>> Caused by: org.neo4j.kernel.StoreLockException: Unable to obtain lock >>>>>> on store lock file: >>>>>> /home/admin/neo4j-enterprise-2.0.0/data/kkGraph.db/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:87) >>>>>> at >>>>>> org.neo4j.kernel.StoreLockerLifecycleAdapter.start(StoreLockerLifecycleAdapter.java:44) >>>>>> at >>>>>> org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:498) >>>>>> ... 6 more >>>>>> Caused by: java.io.IOException: Unable to lock >>>>>> sun.nio.ch.FileChannelImpl@64d11693 because another process already >>>>>> holds the lock. >>>>>> at >>>>>> org.neo4j.kernel.impl.nioneo.store.FileLock.getOsSpecificFileLock(FileLock.java:87) >>>>>> at >>>>>> org.neo4j.kernel.DefaultFileSystemAbstraction.tryLock(DefaultFileSystemAbstraction.java:89) >>>>>> at org.neo4j.kernel.StoreLocker.checkLock(StoreLocker.java:74) >>>>>> ... 8 more >>>>>> >>>>>> Help me. >>>>>> Thanks in advance. >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> -- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "Neo4j" group. >>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>> send an email to [email protected]. >>>>>> For more options, visit https://groups.google.com/groups/opt_out. >>>>>> >>>>> >>>>> -- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "Neo4j" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>> an email to [email protected]. >>>>> For more options, visit https://groups.google.com/groups/opt_out. >>>>> >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Neo4j" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> For more options, visit https://groups.google.com/groups/opt_out. >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Neo4j" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> For more options, visit https://groups.google.com/groups/opt_out. >>>> >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Neo4j" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> For more options, visit https://groups.google.com/groups/opt_out. >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Neo4j" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> For more options, visit https://groups.google.com/groups/opt_out. >>> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Neo4j" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> For more options, visit https://groups.google.com/groups/opt_out. >> > > > > -- > (Neo Technology)<-[:WORK_FOR]-(I)-[:DEVELOP]->(Neo4j) > > -- > You received this message because you are subscribed to the Google Groups > "Neo4j" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. > -- You received this message because you are subscribed to the Google Groups "Neo4j" group. 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