Folks, I am working on geomesa+accumulo+spark integration. For some reason, I found that the same token cannot be used to authenticate twice.
The workflow is that geomesa would try to create a hadoop rdd, during which it tries to create an AccumuloDataStore: https://github.com/locationtech/geomesa/blob/master/geomesa-compute/src/main/scala/org/locationtech/geomesa/compute/spark/GeoMesaSpark.scala#L81 During this process, a ZooKeeperInstance is created: https://github.com/locationtech/geomesa/blob/rc7_a1.7_h2.5/geomesa-core/src/main/scala/org/locationtech/geomesa/core/data/AccumuloDataStoreFactory.scala#L177 I modified geomesa such that it would use kerberos to authenticate here. This step works fine. But next, geomesa calls ConfigurationBase.setConnectorInfo: https://github.com/locationtech/geomesa/blob/rc7_a1.7_h2.5/geomesa-compute/src/main/scala/org/locationtech/geomesa/compute/spark/GeoMesaSpark.scala#L69 This is using the same token and the same zookeeper URI, for some reason it is stuck on spark-shell, and the following is outputted on tserver side: 2015-06-06 18:58:19,616 [server.TThreadPoolServer] ERROR: Error occurred during processing of message. java.lang.RuntimeException: org.apache.thrift.transport.TTransportException: java.net.SocketTimeoutException: Read timed out at org.apache.thrift.transport.TSaslServerTransport$Factory.getTransport(TSaslServerTransport.java:219) at org.apache.accumulo.core.rpc.UGIAssumingTransportFactory$1.run(UGIAssumingTransportFactory.java:51) at org.apache.accumulo.core.rpc.UGIAssumingTransportFactory$1.run(UGIAssumingTransportFactory.java:48) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:356) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1622) at org.apache.accumulo.core.rpc.UGIAssumingTransportFactory.getTransport(UGIAssumingTransportFactory.java:48) at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:208) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at org.apache.accumulo.fate.util.LoggingRunnable.run(LoggingRunnable.java:35) at java.lang.Thread.run(Thread.java:745) Caused by: org.apache.thrift.transport.TTransportException: java.net.SocketTimeoutException: Read timed out at org.apache.thrift.transport.TIOStreamTransport.read(TIOStreamTransport.java:129) at org.apache.thrift.transport.TTransport.readAll(TTransport.java:84) at org.apache.thrift.transport.TSaslTransport.receiveSaslMessage(TSaslTransport.java:182) at org.apache.thrift.transport.TSaslServerTransport.handleSaslStartMessage(TSaslServerTransport.java:125) at org.apache.thrift.transport.TSaslTransport.open(TSaslTransport.java:253) at org.apache.thrift.transport.TSaslServerTransport.open(TSaslServerTransport.java:41) at org.apache.thrift.transport.TSaslServerTransport$Factory.getTransport(TSaslServerTransport.java:216) ... 11 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(SocketInputStream.java:152) at java.net.SocketInputStream.read(SocketInputStream.java:122) at java.io.BufferedInputStream.read1(BufferedInputStream.java:273) at java.io.BufferedInputStream.read(BufferedInputStream.java:334) at org.apache.thrift.transport.TIOStreamTransport.read(TIOStreamTransport.java:127) ... 17 more Any idea why? Thanks. -Simon