Java Importer and UNIX app server

Setup: win2000, forms6i, jdk1.2.2
I have successfully imported a java class (simple one just to give a string message out) on my pc, now I want to move the form to unix app server.
I installed jdk1.2.2 on unix box in oracle app server account, made sure the path includes jdk1.2.2 path, added classpath variable to include importer.jar and my jar file.
when the form is executed, It fails with "JAVA error"; no further explanation. I have coded exception block to trap java exception and display error.
Any other setup required? Do I need to restart app server?
Any suggestions please.
Thanks
Abhay

1) I am currently using 9iAS version 9.0.2.2.0 (Forms version (9.0.2.11.0). Will this version reuse a single JVM or create one for every user?
2) I am trying to implement a form with imported Java. I get an exception. I have tried the ORA_JAVA exception and error handling as indicated in the Forms Developer help (importing java.lang.exception) but it does not help. Stepping through the code I see that the generated JNI.GET_CLASS call fails for both my custom class and Exception_. Does this mean the JVM cannot be created? In my default.env file I have added my jar file to the classpath and the path already contained the jre/bin/classic directory. I saw a post about conflicts between the Forms and Reports classpath but I have not called reports when I run into this problem.

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Hi,
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11/05/08 15:51:35: [op_uri_map.c (348)]: Into op_uri_map_t::map_uri_to_host
11/05/08 15:51:35: [op_uri_map.c (414)]: op_uri_map_t::map_uri_to_host, Found a match host=vsgnyweblogic1.vitech.com
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11/05/08 15:51:35: [op_uri_map.c (348)]: Into op_uri_map_t::map_uri_to_host
11/05/08 15:51:35: [op_uri_map.c (414)]: op_uri_map_t::map_uri_to_host, Found a match host=vsgnyweblogic1.vitech.com
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11/05/08 15:51:35: [op_proxy.c (63)]: op_send_proxy_request, assembled URI is /oproxy/oracle_proxy.dll
11/05/08 15:51:35: [op_http.c (192)]: op_set_http_url: host=vsgnyweblogic1.vitech.com port=80 uri=/oproxy/oracle_proxy.dll
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11/05/08 15:51:35: [op_isapi_plugin.c (1069)]: Sending header keep-alive=300
11/05/08 15:51:35: [op_isapi_plugin.c (1069)]: Sending header accept=text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5
11/05/08 15:51:35: [op_isapi_plugin.c (1069)]: Sending header accept-charset=ISO-8859-1,utf-8;q=0.7,*;q=0.7
11/05/08 15:51:35: [op_isapi_plugin.c (1069)]: Sending header accept-encoding=gzip,deflate
11/05/08 15:51:35: [op_isapi_plugin.c (1069)]: Sending header accept-language=en-us,en;q=0.5
11/05/08 15:51:35: [op_isapi_plugin.c (1073)]: Skipping header host=vsgnyweblogic1.vitech.com
11/05/08 15:51:35: [op_isapi_plugin.c (1069)]: Sending header user-agent=Mozilla/5.0 (Windows; U; Windows NT 5.2; en-US; rv:1.8.1.4) Gecko/20070515 Firefox/2.0.0.4
11/05/08 15:51:35: [op_isapi_plugin.c (1073)]: Skipping header oproxysuri=/oproxy/oracle_proxy.dll
11/05/08 15:51:35: [op_isapi_plugin.c (1073)]: Skipping header oproxyshost=0
11/05/08 15:51:35: [op_http.c (257)]: Into op_get_connection
11/05/08 15:51:35: [op_http.c (372)]: op_open_new_socket, try to connect socket = 540
11/05/08 15:51:35: [op_http.c (381)]: op_open_new_socket, after connect ret = 0
11/05/08 15:51:35: [op_http.c (393)]: op_open_new_socket, set TCP_NODELAY to on
11/05/08 15:51:35: [op_http.c (397)]: op_open_new_socket, return, sd = 540
11/05/08 15:51:35: [op_http.c (717)]: op_send_http_request, exiting with rc = 1
11/05/08 15:51:35: [op_isapi_plugin.c (457)]: Start of HttpFilterProc

Are you trying to access some Forms application using Proxy Plug-in? If yes, you might want to refer Note:294418.1 on MetaLink.
Thanks
Shail

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at java.lang.Class.newInstance(Class.java:261)
at org.apache.struts.util.RequestUtils.applicationInstance(RequestUtils.java:231)
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at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:228)
at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher
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at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:322)
at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:790)
at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:208)
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## Detail 0 ##
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at oracle.jbo.server.ConnectionPool.instantiateResource(ConnectionPool.java:135)
at oracle.jbo.pool.ResourcePool.createResource(ResourcePool.java:523)
at oracle.jbo.pool.ResourcePool.useResource(ResourcePool.java:318)
at oracle.jbo.server.ConnectionPool.getConnectionInternal(ConnectionPool.java:87)
at oracle.jbo.server.ConnectionPool.getConnection(ConnectionPool.java:66)
at oracle.jbo.server.ConnectionPoolManagerImpl.getConnection(ConnectionPoolManagerImpl.java:56)
at oracle.jbo.server.DBTransactionImpl.establishNewConnection(DBTransactionImpl.java:856)
at oracle.jbo.server.DBTransactionImpl.initTransaction(DBTransactionImpl.java:1095)
at oracle.jbo.server.DBTransactionImpl.initTxn(DBTransactionImpl.java:5724)
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at oracle.jbo.common.ampool.ApplicationPoolImpl.useApplicationModule(ApplicationPoolImpl.java:2576)
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at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
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at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:274)
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at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:507)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:65)
at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:228)
at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:649)
at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:322)
at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:790)
at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:208)
at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:125)
at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:192)
at java.lang.Thread.run(Thread.java:534)
at oracle.jbo.server.DBTransactionImpl2.connect(DBTransactionImpl2.java:116)
at oracle.jbo.server.ApplicationModuleImpl.doPoolConnect(ApplicationModuleImpl.java:7073)

From the App Server oracle home, and with the same connection information as app is using, can you connect to 8.1.6 db with sqlplus?
You said it works from JDeveloper - which version?
From AS 10.1.2 (which means net/client libraries 10.1.0.3) I get
"ORA-03134: Connections to this server version are no longer supported."
To 8.1.7.4 database connection succeeds. (hint: 8.1.6 is not supported!)
Maybe this could be the culprit?

Downloading a file from App Server to User's Desktop

Hi All,
I know that there are many threads on file upload and download :-)
I have tried to browse through most of them and could not find my solution.
The requirement is to place a file in the unix app server directory and allow the user to download it using a link, to the user's desktop. In case you think that this has already been answered in an old thread, kindly give me the pointer. Any sample code for doing this, would be great.
I know how to upload a file from desktop to table/app server. I know how to download a file from a BLOB column in database.
Thanks,
Amit

You would not be able to use file upload or download beans, as they interact with the database and not the filesystem.
You would need to write a simple file reader routing in plain java.
Tapash

Jdeveloper and Unix

I really do not know if this place is the right forum to ask this question, but if any person can help me I will appreciate it.
My client is currently using an old application that runs in UNIX, but they are planning for a major upgrade. One of their requirements is that they want to move the database to Oracle, It must run in UNIX off course, their preferred OS. However, one of their major requirements though is that the system must be windows (workstations)
My question is this, is it possible for one to convert their application using Oracle Jdeveloper and still have the Database on UNIX

Its unclear what you mean by:
...convert their application using Oracle Jdeveloper and still have the Database on UNIXIf this mean that you want to rewrite application in some Java tehnology(by using JDev), then this is possible, for example: you can have db on unix, app server(in case of web application) on solaris and client workstations on windows).
If you want to automatically convert source code(written in technology X), then this probably is not possible.
Dario

Java Importer and UNIX app server

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