Hi,
I have a web application deployed in Tomcat. On a click on button on
the web browser, it calls a servlet which in turn calls a native
function written in C. First time when tomcat is started and I run the
application, it works fine. The second clicking the same button causes
the server to crash with the following error message.
I have placed the .dll file in $Cateline_Home\shared\lib
Tomcat version: 6.0
When I restart the server, it works fine the first time and second
time, it crashes and stops again.
The error log is:
-------------------------------------------------------------------------
Jun 15, 2008 2:39:13 AM org.apache.catalina.core.StandardServer await
SEVERE: StandardServer.await: accept:
java.net.SocketException: socket closed
at java.net.PlainSocketImpl.socketAccept(Native Method)
at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
at java.net.ServerSocket.implAccept(ServerSocket.java:453)
at java.net.ServerSocket.accept(ServerSocket.java:421)
at
org.apache.catalina.core.StandardServer.await(StandardServer.java:389)
at org.apache.catalina.startup.Catalina.await(Catalina.java:642)
at org.apache.catalina.startup.Catalina.start(Catalina.java:602)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
Jun 15, 2008 2:39:13 AM org.apache.jk.common.ChannelSocket acceptConnections
WARNING: Exception executing accept
java.net.SocketException: socket closed
at java.net.PlainSocketImpl.socketAccept(Native Method)
at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
at java.net.ServerSocket.implAccept(ServerSocket.java:453)
at java.net.ServerSocket.accept(ServerSocket.java:421)
at org.apache.jk.common.ChannelSocket.accept(ChannelSocket.java:306)
at
org.apache.jk.common.ChannelSocket.acceptConnections(ChannelSocket.java:660)
at
org.apache.jk.common.ChannelSocket$SocketAcceptor.runIt(ChannelSocket.java:870)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690)
at java.lang.Thread.run(Thread.java:619)
Jun 15, 2008 2:39:13 AM org.apache.jk.common.ChannelSocket acceptConnections
WARNING: Exception executing accept
java.net.SocketException: socket closed
at java.net.PlainSocketImpl.socketAccept(Native Method)
at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
at java.net.ServerSocket.implAccept(ServerSocket.java:453)
at java.net.ServerSocket.accept(ServerSocket.java:421)
at org.apache.jk.common.ChannelSocket.accept(ChannelSocket.java:306)
java.util.logging.ErrorManager: 1
at
org.apache.jk.common.ChannelSocket.acceptConnections(ChannelSocket.java:660)
java.lang.NullPointerException
at
org.apache.jk.common.ChannelSocket$SocketAcceptor.runIt(ChannelSocket.java:870)
at org.apache.juli.FileHandler.publish(FileHandler.java:137)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690)
at java.util.logging.Logger.log(Logger.java:472)
at java.lang.Thread.run(Thread.java:619)
at java.util.logging.Logger.doLog(Logger.java:494)
Jun 15, 2008 2:39:13 AM org.apache.tomcat.util.net.JIoEndpoint$Acceptor run
at java.util.logging.Logger.logp(Logger.java:694)
SEVERE: Socket accept failed
at org.apache.juli.logging.DirectJDKLog.log(DirectJDKLog.java:167)
java.net.SocketException: socket closed
at org.apache.juli.logging.DirectJDKLog.warn(DirectJDKLog.java:127)
at java.net.PlainSocketImpl.socketAccept(Native Method)
at
org.apache.jk.common.ChannelSocket.acceptConnections(ChannelSocket.java:671)
at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
at
org.apache.jk.common.ChannelSocket$SocketAcceptor.runIt(ChannelSocket.java:870)
at java.net.ServerSocket.implAccept(ServerSocket.java:453)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690)
at java.net.ServerSocket.accept(ServerSocket.java:421)
at java.lang.Thread.run(Thread.java:619)
at
org.apache.tomcat.util.net.DefaultServerSocketFactory.acceptSocket(DefaultServerSocketFactory.java:61)
at
org.apache.tomcat.util.net.JIoEndpoint$Acceptor.run(JIoEndpoint.java:310)
at java.lang.Thread.run(Thread.java:619)
Jun 15, 2008 2:39:13 AM org.apache.jk.common.ChannelSocket acceptConnections
WARNING: Exception executing accept
java.net.SocketException: socket closed
at java.net.PlainSocketImpl.socketAccept(Native Method)
at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
at java.net.ServerSocket.implAccept(ServerSocket.java:453)
at java.net.ServerSocket.accept(ServerSocket.java:421)
at org.apache.jk.common.ChannelSocket.accept(ChannelSocket.java:306)
at
org.apache.jk.common.ChannelSocket.acceptConnections(ChannelSocket.java:660)
at
org.apache.jk.common.ChannelSocket$SocketAcceptor.runIt(ChannelSocket.java:870)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690)
at java.lang.Thread.run(Thread.java:619)
Jun 15, 2008 2:39:13 AM org.apache.coyote.http11.Http11Protocol pause
INFO: Pausing Coyote HTTP/1.1 on http-80
Jun 15, 2008 2:39:13 AM org.apache.jk.common.ChannelSocket acceptConnections
WARNING: Exception executing accept
java.net.SocketException: socket closed
at java.net.PlainSocketImpl.socketAccept(Native Method)
at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
at java.net.ServerSocket.implAccept(ServerSocket.java:453)
at java.net.ServerSocket.accept(ServerSocket.java:421)
at org.apache.jk.common.ChannelSocket.accept(ChannelSocket.java:306)
at
org.apache.jk.common.ChannelSocket.acceptConnections(ChannelSocket.java:660)
at
org.apache.jk.common.ChannelSocket$SocketAcceptor.runIt(ChannelSocket.java:870)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690)
at java.lang.Thread.run(Thread.java:619)
Jun 15, 2008 2:39:13 AM org.apache.jk.common.ChannelSocket acceptConnections
WARNING: Exception executing accept
java.net.SocketException: socket closed
at java.net.PlainSocketImpl.socketAccept(Native Method)
at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
at java.net.ServerSocket.implAccept(ServerSocket.java:453)
at java.net.ServerSocket.accept(ServerSocket.java:421)
at org.apache.jk.common.ChannelSocket.accept(ChannelSocket.java:306)
at
org.apache.jk.common.ChannelSocket.acceptConnections(ChannelSocket.java:660)
at
org.apache.jk.common.ChannelSocket$SocketAcceptor.runIt(ChannelSocket.java:870)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690)
at java.lang.Thread.run(Thread.java:619)
Jun 15, 2008 2:39:13 AM org.apache.catalina.connector.Connector pause
SEVERE: Protocol handler pause failed
java.net.SocketException: Successful WSAStartup not yet performed: create
at java.net.Socket.createImpl(Socket.java:388)
at java.net.Socket.<init>(Socket.java:362)
at java.net.Socket.<init>(Socket.java:209)
at
org.apache.jk.common.ChannelSocket.unLockSocket(ChannelSocket.java:486)
at org.apache.jk.common.ChannelSocket.pause(ChannelSocket.java:283)
at org.apache.jk.server.JkMain.pause(JkMain.java:681)
at org.apache.jk.server.JkCoyoteHandler.pause(JkCoyoteHandler.java:153)
at org.apache.catalina.connector.Connector.pause(Connector.java:1073)
at
org.apache.catalina.core.StandardService.stop(StandardService.java:563)
at org.apache.catalina.core.StandardServer.stop(StandardServer.java:744)
at org.apache.catalina.startup.Catalina.stop(Catalina.java:628)
at
org.apache.catalina.startup.Catalina$CatalinaShutdownHook.run(Catalina.java:671)
Jun 15, 2008 2:39:14 AM org.apache.catalina.core.StandardService stop
INFO: Stopping service Catalina
Jun 15, 2008 2:39:14 AM org.apache.catalina.core.StandardWrapper unload
INFO: Waiting for 1 instance(s) to be deallocated
Jun 15, 2008 2:39:15 AM org.apache.catalina.core.StandardWrapper unload
INFO: Waiting for 1 instance(s) to be deallocated
Jun 15, 2008 2:39:16 AM org.apache.catalina.core.StandardWrapper unload
INFO: Waiting for 1 instance(s) to be deallocated
class engine.common.EmrAppStart: INFO: Context is Destroyed
Jun 15, 2008 2:39:16 AM org.apache.coyote.http11.Http11Protocol destroy
INFO: Stopping Coyote HTTP/1.1 on http-80
--------------------------------------------------------------------------------
I appreciate if you could provide any information about how to correct
this problem.
Thank you.
--Sam
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