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Error after integrating JForum

Deepaks Deshpande
Ranch Hand

Joined: Dec 06, 2007
Posts: 111

Hi guys,

I am getting the following error in my browser after i go to the forum homepage in my jforum integrated application. Please help me with this. I am using PostgreSQL database and its a eclipse tomcat project.

Thank you.




Regards,
Deepak

Lester Burnham
Rancher

Joined: Oct 14, 2008
Posts: 1337
ERROR: operator does not exist: character varying = integer

Sounds like some kind of SQL problem.
raj thi
Greenhorn

Joined: Dec 19, 2010
Posts: 1
Hello Deepak,

I am also need to intgrate our application to Jfroum.please let me know the details .how to integrate my application to j forum.what are the file's i need to do the integration.please can you tell me the procedure.what are your using i am also same server and database also i am using.

Thanks,
Raj
Deepaks Deshpande
Ranch Hand

Joined: Dec 06, 2007
Posts: 111

Hey Raj,
Follow the link below. I think you should be able to do it without any trouble.

JForum Integration

Cheers
Deepak.
eng.manish kumar
Greenhorn

Joined: Jun 09, 2011
Posts: 1
Hi Guys,
I am also facing same errors while deploying jforum on my local on postgres.

Caused by: java.sql.SQLException: ERROR: operator does not exist:
character varying = integer

Below are the stack trace :

Any help much appreciated.

Thanks in advanced!

freemarker.template.TemplateModelException: Method public
java.util.List net.jforum.entities.Forum.getModeratorList() threw an
exception when invoked on [java forum, id=3, order=2]
at freemarker.ext.beans.SimpleMethodModel.exec(SimpleMethodModel.java:136)
at freemarker.core.MethodCall._getAsTemplateModel(MethodCall.java:93)
at freemarker.core.Expression.getAsTemplateModel(Expression.java:89)
at freemarker.core.Assignment.accept(Assignment.java:90)
at freemarker.core.Environment.visit(Environment.java:196)
at freemarker.core.MixedContent.accept(MixedContent.java:92)
at freemarker.core.Environment.visit(Environment.java:196)
at freemarker.core.Environment.process(Environment.java:176)
at freemarker.template.Template.process(Template.java:232)
at net.jforum.JForum.processCommand(JForum.java:233)
at net.jforum.JForum.service(JForum.java:200)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:306)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at net.jforum.util.legacy.clickstream.ClickstreamFilter.doFilter(ClickstreamFilter.java:59)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:244)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:541)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:383)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:243)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:188)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:288)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:636)
Caused by: net.jforum.exceptions.DatabaseException:
net.jforum.exceptions.DatabaseException: java.sql.SQLException: ERROR:
operator does not exist: character varying = integer
at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:1471)
at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:1256)
at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:175)
at org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:392)
at org.postgresql.jdbc2.AbstractJdbc2Statement.executeWithFlags(AbstractJdbc2Statement.java:330)
at org.postgresql.jdbc2.AbstractJdbc2Statement.executeQuery(AbstractJdbc2Statement.java:240)
at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.executeQuery(NewProxyPreparedStatement.java:76)
at net.jforum.dao.generic.GenericForumDAO.getModeratorList(GenericForumDAO.java:498)
at net.jforum.repository.ForumRepository.getModeratorList(ForumRepository.java:596)
at net.jforum.entities.Forum.getModeratorList(Forum.java:101)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at freemarker.ext.beans.BeansWrapper.invokeMethod(BeansWrapper.java:825)
at freemarker.ext.beans.SimpleMethodModel.exec(SimpleMethodModel.java:113)
... 29 more
Caused by: net.jforum.exceptions.DatabaseException:
java.sql.SQLException: ERROR: operator does not exist: character
varying = integer
... 45 more
Caused by: java.sql.SQLException: ERROR: operator does not exist:
character varying = integer
... 45 more
20:39:37,338 ERROR [ExceptionWriter ]
Method public java.util.List
net.jforum.entities.Forum.getModeratorList() threw an exception when
invoked on [java forum, id=3, order=2]
The problematic instruction:
----------
==> assignment: moderators=forum.getModeratorList() [on line 311,
column 41 in default/forum_show.htm]
----------

Java backtrace for programmers:
----------
freemarker.template.TemplateModelException: Method public
java.util.List net.jforum.entities.Forum.getModeratorList() threw an
exception when invoked on [java forum, id=3, order=2]
at freemarker.ext.beans.SimpleMethodModel.exec(SimpleMethodModel.java:136)
at freemarker.core.MethodCall._getAsTemplateModel(MethodCall.java:93)
at freemarker.core.Expression.getAsTemplateModel(Expression.java:89)
at freemarker.core.Assignment.accept(Assignment.java:90)
at freemarker.core.Environment.visit(Environment.java:196)
at freemarker.core.MixedContent.accept(MixedContent.java:92)
at freemarker.core.Environment.visit(Environment.java:196)
at freemarker.core.Environment.process(Environment.java:176)
at freemarker.template.Template.process(Template.java:232)
at net.jforum.JForum.processCommand(JForum.java:233)
at net.jforum.JForum.service(JForum.java:200)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:306)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at net.jforum.util.legacy.clickstream.ClickstreamFilter.doFilter(ClickstreamFilter.java:59)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:244)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:541)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:383)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:243)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:188)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:288)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:636)
Caused by: net.jforum.exceptions.DatabaseException:
net.jforum.exceptions.DatabaseException: java.sql.SQLException: ERROR:
operator does not exist: character varying = integer
at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:1471)
at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:1256)
at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:175)
at org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:392)
at org.postgresql.jdbc2.AbstractJdbc2Statement.executeWithFlags(AbstractJdbc2Statement.java:330)
at org.postgresql.jdbc2.AbstractJdbc2Statement.executeQuery(AbstractJdbc2Statement.java:240)
at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.executeQuery(NewProxyPreparedStatement.java:76)
at net.jforum.dao.generic.GenericForumDAO.getModeratorList(GenericForumDAO.java:498)
at net.jforum.repository.ForumRepository.getModeratorList(ForumRepository.java:596)
at net.jforum.entities.Forum.getModeratorList(Forum.java:101)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at freemarker.ext.beans.BeansWrapper.invokeMethod(BeansWrapper.java:825)
at freemarker.ext.beans.SimpleMethodModel.exec(SimpleMethodModel.java:113)
... 29 more
Caused by: net.jforum.exceptions.DatabaseException:
java.sql.SQLException: ERROR: operator does not exist: character
varying = integer
... 45 more
Caused by: java.sql.SQLException: ERROR: operator does not exist:
character varying = integer
... 45 more

URL is: /jforum/forums/show/3.page?null
 
Don't get me started about those stupid light bulbs.
 
subject: Error after integrating JForum