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Posted to users@tomcat.apache.org by Gary Fix <ga...@win-na.com> on 2004/03/19 21:54:52 UTC
RE: comparison of Type 4 JDBC drivers
Thanks Yoav for the suggestion!
Can anyone point me to a comparison of Type 4 JDBC drivers supporting MS SQL Server and DB2 for the windows and IBM mainframe (Z_OS) linux platforms?
thanks...gary...
-----Original Message-----
From: Shapira, Yoav [mailto:Yoav.Shapira@mpi.com]
Sent: Thursday, March 18, 2004 6:02 AM
To: Tomcat Users List
Subject: RE: Tomcat 4.1.12LE Disappears
Hi,
Any and all suggestions will be welcome? ;) OK. Drop the JdbcOdbc
bridge so fast you do it even before the end of this sentence. Use a
thin/type4 JDBC driver for your database.
What's happening is that your JdbcOdbc bridge driver is crashing with a
native-level (i.e. some DLL on Windoze) error. That's crashing the JVM
internally, hence the hs_err_pid logs. (HS stands for HotSpot).
After tomcat crashes the ISAPI connector can't connect to it, hence the
jk errors in your log: these will go away if you fix your tomcat.
Yoav Shapira
Millennium Research Informatics
>-----Original Message-----
>From: Gary Fix [mailto:gary.fix@win-na.com]
>Sent: Wednesday, March 17, 2004 4:40 PM
>To: Tomcat Users List
>Subject: Tomcat 4.1.12LE Disappears
>
>Hi,
>We are running Tomcat 4.1.12LE under Win2000 SP2 within a command
window.
>We use j2sdk1.4.1_02 for our servlet code.
>We also use the isapi_redirect.dll dated 11/8/2002.
>About the time we upgraded from version 3 of Tomcat to version 4, we
>strated having problems
>of Tomcat disappearing with no "apparent" error messages.
>In the last 8 days, it has disappeared 8 times.
>I have searched for a solution with no luck.
>The only error messages I could find are in the isapi_redirect.log and
some
>files named
>"hs_err_pid1208.log" showing up in the Tomcat \bin folder.
>
>The isapi_redirect.log error messages look like this:
>[Mon Mar 15 16:19:39 2004] [jk_isapi_plugin.c (724)]:
HttpExtensionProc
>error, service() failed
>[Mon Mar 15 16:19:40 2004] [jk_connect.c (143)]: jk_open_socket,
connect()
>failed errno = 61
>[Mon Mar 15 16:19:40 2004] [jk_ajp13_worker.c (196)]: In
>jk_endpoint_t::connect_to_tomcat, failed errno = 61
>[Mon Mar 15 16:19:40 2004] [jk_ajp13_worker.c (635)]: Error connecting
to
>the Tomcat process.
>[Mon Mar 15 16:19:40 2004] [jk_ajp13_worker.c (848)]: In
>jk_endpoint_t::service, send_request failed in send loop 1
>[Mon Mar 15 16:19:41 2004] [jk_connect.c (143)]: jk_open_socket,
connect()
>failed errno = 61
>[Mon Mar 15 16:19:41 2004] [jk_ajp13_worker.c (196)]: In
>jk_endpoint_t::connect_to_tomcat, failed errno = 61
>[Mon Mar 15 16:19:41 2004] [jk_ajp13_worker.c (635)]: Error connecting
to
>the Tomcat process.
>[Mon Mar 15 16:19:41 2004] [jk_ajp13_worker.c (848)]: In
>jk_endpoint_t::service, send_request failed in send loop 0
>[Mon Mar 15 16:19:41 2004] [jk_connect.c (143)]: jk_open_socket,
connect()
>failed errno = 61
>[Mon Mar 15 16:19:41 2004] [jk_ajp13_worker.c (196)]: In
>jk_endpoint_t::connect_to_tomcat, failed errno = 61
>[Mon Mar 15 16:19:41 2004] [jk_ajp13_worker.c (635)]: Error connecting
to
>the Tomcat process.
>[Mon Mar 15 16:19:41 2004] [jk_ajp13_worker.c (848)]: In
>jk_endpoint_t::service, send_request failed in send loop 2
>[Mon Mar 15 16:19:41 2004] [jk_isapi_plugin.c (724)]:
HttpExtensionProc
>error, service() failed
>
>Notice these seem to be loggin about once each second.
>We also some some console messages like this:
>361031 [Thread-8] WARN common.ChannelSocket - server has closed the
>current con
>nection (-1)
>
>The hs_err_pid1208.log files have errors like this:
>An unexpected exception has been detected in native code outside the
VM.
>Unexpected Signal : EXCEPTION_ACCESS_VIOLATION occurred at
PC=0x77FCB8F4
>Function=RtlFreeHeap+0x263
>Library=C:\WINNT\System32\ntdll.dll
>
>Current Java thread:
> at sun.jdbc.odbc.JdbcOdbc.freeConnect(Native Method)
> at sun.jdbc.odbc.JdbcOdbc.SQLFreeConnect(JdbcOdbc.java:3287)
> at
>sun.jdbc.odbc.JdbcOdbcDriver.closeConnection(JdbcOdbcDriver.java:952)
> at
>sun.jdbc.odbc.JdbcOdbcConnection.close(JdbcOdbcConnection.java:740)
> at
>sun.jdbc.odbc.JdbcOdbcConnection.finalize(JdbcOdbcConnection.java:87)
> at java.lang.ref.Finalizer.invokeFinalizeMethod(Native Method)
> at java.lang.ref.Finalizer.runFinalizer(Finalizer.java:83)
> at java.lang.ref.Finalizer.access$100(Finalizer.java:14)
> at
java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:160)
>
>Dynamic libraries:
>followed by a bunch of DLLs.
>Any and all suggestions would be greatly appreciated.
>thanks...gary...
>
>
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