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Re: Postgresql problem
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Re: Postgresql problem

  • Subject: Re: Postgresql problem
  • From: Giorgio Valoti <email@hidden>
  • Date: Fri, 16 Apr 2004 09:45:49 +0200
On 16/apr/04, at 07:00, Peter McGregor wrote:

Hi

I am upgrading some of my applications to 5.2.3

I can generate and run my application in XCode without any problems

However when I try to run the application as a servlet on my same development machine, I get an error accessing postgres.

The error is

Initializing PostgresqlPlugin
- An exception occurred while trying to open a channel: com.webobjects.jdbcadaptor.JDBCAdaptorException: Cannot load JDBC driver class 'null'

Maybe the connection parameters are wrong. EOF is searching a class with a null name.


The database version is postgres 7.4

I created the servlet by copying a simple servlet demo that I had created and then modifying web.xml
and changing the .woa application.

I can't figure out how come the application runs under XCode, but not in a servlet.

Any help welcome

- Peter

My Servlet Frameworks Directory
--------------------------------------------
macshine:~/Documents/downloads/apache/tomcat/jakarta-tomcat-4.1.24/bin peter$ ls -l ../webapps/rooms/WEB-INF/Library/Frameworks/
total 0
drwxr-xr-x 5 peter peter 170 16 Apr 16:19 ERExtensions.framework
drwxr-xr-x 3 peter peter 102 16 Apr 16:19 ERJars.framework
drwxr-xr-x 4 peter peter 136 16 Apr 16:19 JavaEOAccess.framework
drwxr-xr-x 4 peter peter 136 16 Apr 16:19 JavaEOControl.framework
drwxr-xr-x 4 peter peter 136 16 Apr 16:19 JavaFoundation.framework
drwxr-xr-x 4 peter peter 136 16 Apr 16:19 JavaJDBCAdaptor.framework
drwxr-xr-x 6 peter peter 204 16 Apr 16:19 JavaWOExtensions.framework
drwxr-xr-x 4 peter peter 136 16 Apr 16:19 JavaWOJSPServlet.framework
drwxr-xr-x 4 peter peter 136 16 Apr 16:19 JavaWebObjects.framework
drwxr-xr-x 4 peter peter 136 16 Apr 16:19 JavaXML.framework
drwxr-xr-x 5 peter peter 170 16 Apr 16:20 PostgresqlPlugIn.framework

catalina.out
----------------
- Welcome to rooms!
2189 [main] INFO er.extensions.ERXNSLogLog4jBridge - Welcome to rooms!
- <WOApplication>.primeApplication: Application class is not in a package. This could cause problems with some appservers.
2190 [main] INFO er.extensions.ERXNSLogLog4jBridge - <WOApplication>.primeApplication: Application class is not in a package. This could cause problems with some appservers.
- WOCachingEnabled is true. Disabling the rapid turnaround for Properties files
2191 [main] INFO er.extensions.ERXConfigurationManager - WOCachingEnabled is true. Disabling the rapid turnaround for Properties files
- I assume this is deployment mode, rapid-turnaround mode is disabled
2215 [main] INFO er.extensions.ERXCompilerProxy - I assume this is deployment mode, rapid-turnaround mode is disabled
- The URL for webserver connect through Servlet Container is:
http://macshine.shine.net.nz//rooms/WebObjects/rooms.woa
2515 [main] INFO er.extensions.ERXNSLogLog4jBridge - The URL for webserver connect through Servlet Container is:
http://macshine.shine.net.nz//rooms/WebObjects/rooms.woa
Apr 16, 2004 4:27:51 PM org.apache.coyote.http11.Http11Protocol start
INFO: Starting Coyote HTTP/1.1 on port 8080
Apr 16, 2004 4:27:51 PM org.apache.jk.common.ChannelSocket init
INFO: JK2: ajp13 listening on /0.0.0.0:8009
Apr 16, 2004 4:27:51 PM org.apache.jk.server.JkMain start
INFO: Jk running ID=0 time=7/102 config=/Users/peter/Documents/downloads/apache/tomcat/jakarta-tomcat -4.1.24/conf/jk2.properties
- 16 Apr 2004 16:27:52 wOName = Main
6170 [Thread-9] INFO er.extensions.ERXNSLogLog4jBridge - 16 Apr 2004 16:27:52 wOName = Main
Initializing PostgresqlPlugin
- An exception occurred while trying to open a channel: com.webobjects.jdbcadaptor.JDBCAdaptorException: Cannot load JDBC driver class 'null'
6882 [Thread-9] INFO er.extensions.ERXNSLogLog4jBridge - An exception occurred while trying to open a channel: com.webobjects.jdbcadaptor.JDBCAdaptorException: Cannot load JDBC driver class 'null'
- <com.webobjects.appserver._private.WOComponentRequestHandler>: Exception occurred while handling request:
java.lang.IllegalStateException: _obtainOpenChannel -- com.webobjects.eoaccess.EODatabaseContext com.webobjects.eoaccess.EODatabaseContext@b008e7: failed to open database channel. Check your connection dictionary, and ensure your database is correctly configured.
6884 [Thread-9] INFO er.extensions.ERXNSLogLog4jBridge - <com.webobjects.appserver._private.WOComponentRequestHandler>: Exception occurred while handling request:
java.lang.IllegalStateException: _obtainOpenChannel -- com.webobjects.eoaccess.EODatabaseContext com.webobjects.eoaccess.EODatabaseContext@b008e7: failed to open database channel. Check your connection dictionary, and ensure your database is correctly configured.
<rooms>[2004-04-16 16:27:53 NZST] <Thread-9> java.lang.IllegalStateException: _obtainOpenChannel -- com.webobjects.eoaccess.EODatabaseContext com.webobjects.eoaccess.EODatabaseContext@b008e7: failed to open database channel. Check your connection dictionary, and ensure your database is correctly configured.
at com.webobjects.eoaccess.EODatabaseContext._obtainOpenChannel(EODatabase Context.java:2132)
at com.webobjects.eoaccess.EODatabaseContext._objectsWithFetchSpecificatio nEditingContext(EODatabaseContext.java:3195)
at com.webobjects.eoaccess.EODatabaseContext.objectsWithFetchSpecification (EODatabaseContext.java:3337)
at com.webobjects.eocontrol.EOObjectStoreCoordinator.objectsWithFetchSpeci fication(EOObjectStoreCoordinator.java:539)
at com.webobjects.eocontrol.EOEditingContext.objectsWithFetchSpecification (EOEditingContext.java:4053)
at com.webobjects.eocontrol.EOEditingContext.objectsWithFetchSpecification (EOEditingContext.java:4438)
at Library.getRecords(Library.java:337)
at Security.getComponent(Security.java:32)
at StandardTemplate.appendToResponse(StandardTemplate.java:40)
at com.webobjects.appserver._private.WOComponentReference.appendToResponse (WOComponentReference.java:111)
at com.webobjects.appserver._private.WODynamicGroup.appendChildrenToRespon se(WODynamicGroup.java:121)
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References: 
 >Postgresql problem (From: Peter McGregor <email@hidden>)

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