[jboss-dev-forums] [Design of JBoss Remoting, Unified Invokers] - Bisocket server invoker NPE
We are seeing the following exception intermittently in JBM:
|
| 12:20:32,765 WARN @Timer-1 [BisocketServerInvoker]
org.jboss.remoting.transport.bisocket.BisocketServerInvoker$ControlMonitorTimerTask@ce796:
detected failure on control connection Thread[control:
Socket[addr=/10.11.14.146,port=2685,localport=3576],5,]: requesting new control
connection
| 12:20:32,843 ERROR @Thread-18 [BisocketServerInvoker] unable to get secondary locator
| 12:20:32,843 ERROR @Thread-18 [BisocketServerInvoker] Unable to recreate control
connection: InvokerLocator [null://10.11.14.146:2685/null]
| java.io.IOException: unable to get secondary locator: null
| at
org.jboss.remoting.transport.bisocket.BisocketServerInvoker.createControlConnection(BisocketServerInvoker.java:165)
| at
org.jboss.remoting.transport.bisocket.BisocketServerInvoker$1.run(BisocketServerInvoker.java:729)
|
Looking at the code, it seems to be swallowing the exception:
| }
| catch (Throwable t)
| {
| log.error("unable to get secondary locator");
| throw new IOException("unable to get secondary locator: " +
t.getMessage());
| }
|
I amended the code, so as not to swallow the exception which revealed the following:
| 12:38:44,656 WARN @Timer-1 [BisocketServerInvoker]
org.jboss.remoting.transport.bisocket.BisocketServerInvoker$ControlMonitorTimerTask@45378f:
detected failure on control connection Thread[control:
Socket[addr=/10.11.14.146,port=3213,localport=3679],5,]: requesting new control
connection
| 12:38:44,859 ERROR @Thread-15 [BisocketServerInvoker] unable to get secondary locator
| java.lang.NullPointerException
| at
org.jboss.remoting.transport.bisocket.BisocketServerInvoker.createControlConnection(BisocketServerInvoker.java:160)
| at
org.jboss.remoting.transport.bisocket.BisocketServerInvoker$ControlMonitorTimerTask$1.run(BisocketServerInvoker.java:777)
| 12:38:44,859 ERROR @Thread-15 [BisocketServerInvoker] Unable to recreate control
connection: InvokerLocator [null://10.11.14.146:3213/null]
| java.io.IOException: unable to get secondary locator: null
| at
org.jboss.remoting.transport.bisocket.BisocketServerInvoker.createControlConnection(BisocketServerInvoker.java:166)
| at
org.jboss.remoting.transport.bisocket.BisocketServerInvoker$ControlMonitorTimerTask$1.run(BisocketServerInvoker.java:777)
| 1
|
I.e. the client invoker with the id can't be found.
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