Hello everybody,
I'm running tomcat 6.0.14 on Linux. It worked fine for a couple of days
then, after a reboot, the NIO connector failed throwing the following
exception
03-Feb-2008 14:37:05 org.apache.tomcat.util.net.NioEndpoint
setSocketOptions
SEVERE:
java.lang.NullPointerException
at
org.apache.tomcat.util.net.NioEndpoint.getPoller0(NioEndpoint.java:484)
at
org.apache.tomcat.util.net.NioEndpoint.setSocketOptions(NioEndpoint.java:985)
at org.apache.tomcat.util.net.NioEndpoint
$Acceptor.run(NioEndpoint.java:1169)
at java.lang.Thread.run(Thread.java:619)
The NIO connector is configured as follows in server.xml
<Connector port="8081"
protocol="org.apache.coyote.http11.Http11NioProtocol"
redirectPort="8443" connectionLinger="20"
connectionTimeout="10000"
keepAliveTimeout="5000" maxKeepAliveRequests="20"
socket.tcpNoDelay="true"
socket.soKeepAlive="true" socket.soReuseAddress="true"
socket.soLingerOn="true" socket.soLingerTime="5"
acceptCount="10" acceptorThreadCount="2"
useComet="false" maxThreads="100" minSpareThreads="5"/>
I've a cluster of machines running tomcat 5.5 + Axis2 which send a
message to tomcat 6 instance when they start up, when the error
happened.
On the other side the error was the following:
org.apache.axis2.AxisFault: Connection reset
at org.apache.axis2.AxisFault.makeFault(AxisFault.java:417)
at
org.apache.axis2.transport.http.HTTPSender.sendViaPost(HTTPSender.java:195)
at
org.apache.axis2.transport.http.HTTPSender.send(HTTPSender.java:77)
at
org.apache.axis2.transport.http.CommonsHTTPTransportSender.writeMessageWithCommons(CommonsHTTPTransportSender.java:327)
at
org.apache.axis2.transport.http.CommonsHTTPTransportSender.invoke(CommonsHTTPTransportSender.java:206)
at org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:396)
at
org.apache.axis2.description.OutInAxisOperationClient.send(OutInAxisOperation.java:374)
at
org.apache.axis2.description.OutInAxisOperationClient.executeImpl(OutInAxisOperation.java:211)
at
org.apache.axis2.client.OperationClient.execute(OperationClient.java:163)
at
ncl.qosp.modules.node.BootstrapHelper.register(BootstrapHelper.java:269)
at
ncl.qosp.modules.node.BootstrapHelper.register(BootstrapHelper.java:303)
at ncl.qosp.modules.node.NodeModule.init(NodeModule.java:101)
at
org.apache.axis2.context.ConfigurationContextFactory.initModules(ConfigurationContextFactory.java:222)
at
org.apache.axis2.context.ConfigurationContextFactory.init(ConfigurationContextFactory.java:200)
at
org.apache.axis2.context.ConfigurationContextFactory.createConfigurationContext(ConfigurationContextFactory.java:76)
at
org.apache.axis2.transport.http.AxisServlet.initConfigContext(AxisServlet.java:500)
at
org.apache.axis2.transport.http.AxisServlet.init(AxisServlet.java:420)
at
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1105)
at
org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:932)
at
org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3951)
at
org.apache.catalina.core.StandardContext.start(StandardContext.java:4225)
at
org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:759)
at
org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:739)
at
org.apache.catalina.core.StandardHost.addChild(StandardHost.java:524)
at
org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:809)
at
org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:698)
at
org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:472)
at
org.apache.catalina.startup.HostConfig.start(HostConfig.java:1122)
at
org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:310)
at
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at
org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1021)
at
org.apache.catalina.core.StandardHost.start(StandardHost.java:718)
at
org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1013)
at
org.apache.catalina.core.StandardEngine.start(StandardEngine.java:442)
at
org.apache.catalina.core.StandardService.start(StandardService.java:450)
at
org.apache.catalina.core.StandardServer.start(StandardServer.java:709)
at org.apache.catalina.startup.Catalina.start(Catalina.java:551)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at
org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:294)
at
org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:432)
Caused by: java.net.SocketException: Connection reset
at java.net.SocketInputStream.read(SocketInputStream.java:168)
at
java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
at
java.io.BufferedInputStream.read(BufferedInputStream.java:235)
at
org.apache.commons.httpclient.HttpParser.readRawLine(HttpParser.java:77)
at
org.apache.commons.httpclient.HttpParser.readLine(HttpParser.java:105)
at
org.apache.commons.httpclient.HttpConnection.readLine(HttpConnection.java:1115)
at
org.apache.commons.httpclient.MultiThreadedHttpConnectionManager
$HttpConnectionAdapter.readLine(MultiThreadedHttpConnectionManager.java:1373)
at
org.apache.commons.httpclient.HttpMethodBase.readStatusLine(HttpMethodBase.java:1832)
at
org.apache.commons.httpclient.HttpMethodBase.readResponse(HttpMethodBase.java:1590)
at
org.apache.commons.httpclient.HttpMethodBase.execute(HttpMethodBase.java:995)
at
org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry(HttpMethodDirector.java:397)
at
org.apache.commons.httpclient.HttpMethodDirector.executeMethod(HttpMethodDirector.java:170)
at
org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:396)
at
org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:346)
at
org.apache.axis2.transport.http.AbstractHTTPSender.executeMethod(AbstractHTTPSender.java:520)
at
org.apache.axis2.transport.http.HTTPSender.sendViaPost(HTTPSender.java:191)
... 41 more
Any idea?
Thanks,
Michele
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