Orient Community 2.1.1
My application utilizes OrientDB for several important features, but if the
database is not available for some reason, the portions of the application
that don't utilize the graph database should continue to function. The
problem is that when a connection is attempted to the remote database, the
thread that is performing the connection attempt is stuck trying to connect
over and over again (every 15 seconds) without throwing an exception and
giving up. Here is the stack trace that happens every time:
Sep 03, 2015 12:26:40 PM com.orientechnologies.common.log.OLogManager log
SEVERE: Cannot open database with url xxx.xxx.xxx.xxx:2424/mygraphdb
com.orientechnologies.common.io.OIOException: Cannot open a connection to
remote server: xxx.xxx.xxx.xxx:2424/mygraphdb
at
com.orientechnologies.orient.client.remote.OStorageRemote.getAvailableNetwork(OStorageRemote.java:2114)
at
com.orientechnologies.orient.client.remote.OStorageRemote.openRemoteDatabase(OStorageRemote.java:1841)
at
com.orientechnologies.orient.client.remote.OStorageRemote.open(OStorageRemote.java:222)
at
com.orientechnologies.orient.client.remote.OStorageRemoteThread.open(OStorageRemoteThread.java:89)
at
com.orientechnologies.orient.core.db.document.ODatabaseDocumentTx.open(ODatabaseDocumentTx.java:249)
at
com.tinkerpop.blueprints.impls.orient.OrientGraphFactory.getDatabase(OrientGraphFactory.java:132)
at
com.tinkerpop.blueprints.impls.orient.OrientGraphFactory.getDatabase(OrientGraphFactory.java:111)
at
com.qualpay.db.GraphConnectionPool.createVertexClassAndProperties(GraphConnectionPool.java:94)
at
com.qualpay.db.GraphConnectionPool.createGraphSchema(GraphConnectionPool.java:185)
at com.qualpay.db.GraphConnectionPool.init(GraphConnectionPool.java:58)
at
com.qualpay.db.GraphConnectionPool.getFactory(GraphConnectionPool.java:213)
at
com.qualpay.db.GraphConnectionPool.getConnection(GraphConnectionPool.java:246)
at
com.qualpay.models.MerchantModelTest.testCreateMerchant(MerchantModelTest.java:133)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
at
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
at
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
at
org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:283)
at
org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:173)
at
org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:153)
at
org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:128)
at
org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:203)
at
org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:155)
at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:103)
Caused by: com.orientechnologies.common.io.OIOException: Error on
connecting to 54.187.126.131:2424/qualpay
at
com.orientechnologies.orient.client.remote.ORemoteConnectionManager.createNetworkConnection(ORemoteConnectionManager.java:246)
at
com.orientechnologies.orient.client.remote.ORemoteConnectionManager$1.createNewResource(ORemoteConnectionManager.java:80)
at
com.orientechnologies.orient.client.remote.ORemoteConnectionManager$1.createNewResource(ORemoteConnectionManager.java:77)
at
com.orientechnologies.common.concur.resource.OResourcePool.getResource(OResourcePool.java:94)
at
com.orientechnologies.orient.client.remote.ORemoteConnectionManager.acquire(ORemoteConnectionManager.java:101)
at
com.orientechnologies.orient.client.remote.OStorageRemote.getAvailableNetwork(OStorageRemote.java:2103)
... 37 more
Caused by: java.io.IOException: Cannot connect to host 54.187.126.131:2424
at
com.orientechnologies.orient.enterprise.channel.binary.OChannelBinaryAsynchClient.<init>(OChannelBinaryAsynchClient.java:87)
at
com.orientechnologies.orient.client.remote.ORemoteConnectionManager.createNetworkConnection(ORemoteConnectionManager.java:233)
... 42 more
Caused by: java.net.SocketTimeoutException: connect timed out
at java.net.PlainSocketImpl.socketConnect(Native Method)
at
java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:345)
at
java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
at
java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:589)
at
com.orientechnologies.orient.enterprise.channel.binary.OChannelBinaryAsynchClient.<init>(OChannelBinaryAsynchClient.java:83)
... 43 more
The call that starts this infinite loop within my application is:
OrientGraphFactory factory = new OrientGraphFactory(dbURI, dbUser,
dbPassword).setupPool(PoolMin, PoolMax);
Is there any way I can use Orient if/when it is available and just skip
past the connection attempt if it is not available?
-John Firman
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