Jakarta Tomcat Connectors (JK) + OC4J setup questions

hi
i'd like to use Apache 2.0 for dispatching requests to OC4J. i've been doing some experimenting and i was able to setup Apache and Jakarta Tomcat Connectors (JK) v1.2 to route requests to OC4J. this seems to be working fine in my development environment but how well supported or reliable is this setup?
the requests are now being dispatched to JDeveloper 10.1.3 embedded OC4J instance. the only way i managed to do this was by modifying the embedded-oc4j/config/default-web-site.xml file and changing the web-site element protocol attribute value to "ajp13". this setup has the drawback that now direct http connections don't work anymore. is there a way to have both ajp13 and http connectors working simultaneously in the embedded OC4J?

Sure there is. Add another web site configuration file, say, myHttp-web-site.xml, which is a copy > of the original default-web-site.xml with http protocol and a different port.
..after retrying this it seems to be working now. thanks.
Can you share how you use the Jakarta Tomcat Connectors v1.2 here?sure, here you go:
build JK
# download JK v1.2.15 from http://tomcat.apache.org/download-connectors.cgi
tar zxf jakarta-tomcat-connectors-1.2.15-src.tar.gz
cd jakarta-tomcat-connectors-1.2.15-src/jk/native
./configure --with-apxs=/foo/bar/apache2055/bin/apxs
make
make install
Configure Apache + JK
# add the following lines to Apache httpd.conf
LoadModule jk_module modules/mod_jk.so
JkWorkersFile conf/workers.properties
JkMount /<myctxroot>/* oc4j
JkLogFile logs/mod_jk.log
JkLogLevel debug
# create conf/workers.properties with the following lines
worker.list=oc4j
worker.oc4j.port=8009
worker.oc4j.host=localhost
worker.oc4j.type=ajp13
configure JDev OC4J
cd $OC4J_HOME/embedded-oc4j/config
cp default-web-site.xml ajp-web-site.xml
# modify web-site element protocol attribute value to "ajp13" in ajp-web-site.xml
# add the following line in embedded-oc4j/config/server.xml
<web-site default="false" path="./ajp-web-site.xml" />
# restart OC4J
# restart Apache

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    Download a PDF of the Online Help for Adobe RoboHelp Server 9 and search for the sub heading "Set up Tomcat for HTTPS".
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    0x00400000 - 0x00406000      c:\j2sdk1.4.0_01\bin\java.exe
    0x77F80000 - 0x77FFB000      C:\WINNT\system32\ntdll.dll
    0x7C2D0000 - 0x7C332000      C:\WINNT\system32\ADVAPI32.dll
    0x7C570000 - 0x7C623000      C:\WINNT\system32\KERNEL32.DLL
    0x77D30000 - 0x77D9E000      C:\WINNT\system32\RPCRT4.DLL
    0x78000000 - 0x78045000      C:\WINNT\system32\MSVCRT.dll
    0x6D330000 - 0x6D445000      c:\j2sdk1.4.0_01\jre\bin\client\jvm.dll
    0x77E10000 - 0x77E6F000      C:\WINNT\system32\USER32.dll
    0x77F40000 - 0x77F79000      C:\WINNT\system32\GDI32.dll
    0x77570000 - 0x775A0000      C:\WINNT\system32\WINMM.dll
    0x75E60000 - 0x75E7A000      C:\WINNT\system32\IMM32.DLL
    0x6CA60000 - 0x6CA68000      C:\WINNT\system32\LPK.DLL
    0x66650000 - 0x666A4000      C:\WINNT\system32\USP10.dll
    0x6D1D0000 - 0x6D1D7000      c:\j2sdk1.4.0_01\jre\bin\hpi.dll
    0x6D300000 - 0x6D30D000      c:\j2sdk1.4.0_01\jre\bin\verify.dll
    0x6D210000 - 0x6D228000      c:\j2sdk1.4.0_01\jre\bin\java.dll
    0x6D320000 - 0x6D32D000      c:\j2sdk1.4.0_01\jre\bin\zip.dll
    0x6D2D0000 - 0x6D2DD000      C:\j2sdk1.4.0_01\jre\bin\net.dll
    0x75050000 - 0x75058000      C:\WINNT\system32\WSOCK32.dll
    0x75030000 - 0x75044000      C:\WINNT\system32\WS2_32.DLL
    0x75020000 - 0x75028000      C:\WINNT\system32\WS2HELP.DLL
    0x74FD0000 - 0x74FEE000      C:\WINNT\system32\msafd.dll
    0x75010000 - 0x75017000      C:\WINNT\System32\wshtcpip.dll
    0x6D250000 - 0x6D25A000      C:\j2sdk1.4.0_01\jre\bin\JdbcOdbc.dll
    0x0BDC0000 - 0x0BDF2000      C:\WINNT\system32\ODBC32.dll
    0x71780000 - 0x7180A000      C:\WINNT\system32\COMCTL32.dll
    0x782F0000 - 0x78538000      C:\WINNT\system32\SHELL32.dll
    0x70BD0000 - 0x70C34000      C:\WINNT\system32\SHLWAPI.DLL
    0x76B30000 - 0x76B6E000      C:\WINNT\system32\comdlg32.dll
    0x1F850000 - 0x1F866000      C:\WINNT\system32\odbcint.dll
    0x0BF00000 - 0x0BF5E000      C:\WINNT\System32\SQLSRV32.dll
    0x41090000 - 0x410BD000      C:\WINNT\System32\SQLUNIRL.dll
    0x77800000 - 0x7781E000      C:\WINNT\System32\WINSPOOL.DRV
    0x76620000 - 0x76631000      C:\WINNT\system32\MPR.DLL
    0x77820000 - 0x77827000      C:\WINNT\system32\VERSION.dll
    0x759B0000 - 0x759B6000      C:\WINNT\system32\LZ32.DLL
    0x779B0000 - 0x77A4B000      C:\WINNT\system32\OLEAUT32.dll
    0x77A50000 - 0x77B3C000      C:\WINNT\system32\ole32.dll
    0x75170000 - 0x751BF000      C:\WINNT\System32\NETAPI32.dll
    0x7C340000 - 0x7C34F000      C:\WINNT\System32\SECUR32.DLL
    0x751C0000 - 0x751C6000      C:\WINNT\System32\NETRAP.DLL
    0x75150000 - 0x7515F000      C:\WINNT\System32\SAMLIB.DLL
    0x77950000 - 0x7797A000      C:\WINNT\system32\WLDAP32.DLL
    0x77980000 - 0x779A4000      C:\WINNT\System32\DNSAPI.DLL
    0x769A0000 - 0x769A7000      C:\WINNT\system32\NDDEAPI.DLL
    0x1FA20000 - 0x1FA36000      C:\WINNT\System32\sqlsrv32.rll
    0x0C390000 - 0x0C3A9000      C:\WINNT\system32\odbccp32.dll
    0x0C3B0000 - 0x0C3BF000      C:\WINNT\system32\DBNETLIB.DLL
    0x75500000 - 0x75504000      C:\WINNT\system32\security.dll
    0x782D0000 - 0x782EF000      C:\WINNT\system32\msv1_0.dll
    0x77440000 - 0x774B8000      C:\WINNT\system32\CRYPT32.DLL
    0x77430000 - 0x77440000      C:\WINNT\system32\MSASN1.DLL
    0x77BF0000 - 0x77C01000      C:\WINNT\system32\ntdsapi.dll
    0x782C0000 - 0x782CC000      C:\WINNT\System32\rnr20.dll
    0x77340000 - 0x77353000      C:\WINNT\system32\iphlpapi.dll
    0x77520000 - 0x77525000      C:\WINNT\system32\ICMP.DLL
    0x77320000 - 0x77337000      C:\WINNT\system32\MPRAPI.DLL
    0x773B0000 - 0x773DF000      C:\WINNT\system32\ACTIVEDS.DLL
    0x77380000 - 0x773A3000      C:\WINNT\system32\ADSLDPC.DLL
    0x77830000 - 0x7783E000      C:\WINNT\system32\RTUTILS.DLL
    0x77880000 - 0x7790E000      C:\WINNT\system32\SETUPAPI.DLL
    0x7C0F0000 - 0x7C151000      C:\WINNT\system32\USERENV.DLL
    0x774E0000 - 0x77513000      C:\WINNT\system32\RASAPI32.DLL
    0x774C0000 - 0x774D1000      C:\WINNT\system32\RASMAN.DLL
    0x77530000 - 0x77552000      C:\WINNT\system32\TAPI32.DLL
    0x77360000 - 0x77379000      C:\WINNT\system32\DHCPCSVC.DLL
    0x777E0000 - 0x777E8000      C:\WINNT\System32\winrnr.dll
    0x777F0000 - 0x777F5000      C:\WINNT\system32\rasadhlp.dll
    0x77920000 - 0x77943000      C:\WINNT\system32\imagehlp.dll
    0x72A00000 - 0x72A2D000      C:\WINNT\system32\DBGHELP.dll
    0x690A0000 - 0x690AB000      C:\WINNT\system32\PSAPI.DLL
    Local Time = Sat May 01 11:30:40 2004
    Elapsed Time = 5
    # HotSpot Virtual Machine Error : EXCEPTION_ACCESS_VIOLATION
    # Error ID : 4F530E43505002D5
    # Please report this error at
    # http://java.sun.com/cgi-bin/bugreport.cgi
    # Java VM: Java HotSpot(TM) Client VM (1.4.0_01-b03 mixed mode)
    Also No Error is Thrown with j2sdk1.4.0
    If I'm using Not using Scrollable Result Set, No Error is Thrown.
    Error is Thrown only with Scrollable Result set and with j2sdk1.4.0_01

    Did you forget to put the SQL statement in when you used createStatement? I added it below:
    Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
    Connection conn = DriverManager.getConnection("Jdbc:Odbc:IMSMC","sa","");
    String sql="select * from <Table Name> ";
    Statement stmt=conn.createStatement(sql, ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_READ_ONLY);
    Does the JDBC-ODBC bridge driver accomodate any of these settings you're trying?
    The problem shouldn't have anything to do with Tomcat. Sounds like a JDBC driver issue to me. Try to reproduce the error without Tomcat, and then see if adding the SQL corrects things at all.
    I'd read the docs to see if the bridge driver has these features. I don't think it's up to the full standard.

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