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Jake Lee

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since Apr 02, 2002
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Recent posts by Jake Lee

I have got the same error but I was doing something only in jsp with a bean in Tomcat 5.0 while running a web app with salesforce.com - what I was trying to do is simply sending form data to a result page for processing...and it got bombed when posting data to result.jsp. anyone can shed some light here? Thx

2005-03-18 09:45:10 StandardWrapperValve[jsp]: Servlet.service() for servlet jsp threw exception
java.lang.NullPointerException
at org.apache.jsp.result_jsp._jspService(result_jsp.java:77)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
at java.lang.Thread.run(Thread.java:534)
16 years ago
JSP
Here is the error:

org.apache.jasper.JasperException: Unable to compile class for JSP

An error occurred at line: 35 in the jsp file: /iforacle.jsp
Generated servlet error:
C:\Apache\tomcat\work\Catalina\localhost\TomcatTest\org\apache\jsp\iforacle_jsp.java:130: cannot resolve symbol
symbol : method getTIMESTAMPTZ (int)
location: interface java.sql.ResultSet
out.print(rs.getTIMESTAMPTZ(2));
^
1 error
org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:84)
org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:332)
org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:412)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:472)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:451)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:439)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:511)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:295)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

And the code:
<%
Class.forName("oracle.jdbc.driver.OracleDriver").newInstance();

String url = "jdbc racle:thin:@localhost:1521 B";
String user = "user";
String password = "password";

Connection conn = DriverManager.getConnection(url, user, password);
Statement stmt = conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE);
String sql = "select * from Error";
ResultSet rs = stmt.executeQuery(sql);
%>
<table>
<tr>
<td>col1</td>
<td>col2</td>
</tr>
<% while(rs.next()) {%>
<tr>
<td><%=rs.getString(1)%></td>
<td><%=rs.getTIMESTAMPTZ(2)%></td>
</tr>
</table>

The first column is varchar2 and the second is TIMESTAMPTZ
I tried it with OracleResultSet but didn't work for me:

An error occurred at line: 13 in the jsp file: /iforacle.jsp
Generated servlet error:
C:\Apache\tomcat\work\Catalina\localhost\TomcatTest\org\apache\jsp\iforacle_jsp.java:104: incompatible types
found : java.sql.Connection
required: oracle.jdbc.driver.OracleConnection
OracleConnection conn = DriverManager.getConnection(url, user, password);
^
An error occurred at line: 13 in the jsp file: /iforacle.jsp
Generated servlet error:
C:\Apache\tomcat\work\Catalina\localhost\TomcatTest\org\apache\jsp\iforacle_jsp.java:105: incompatible types
found : java.sql.Statement
required: oracle.jdbc.driver.OracleStatement
OracleStatement stmt = conn.createStatement(OracleResultSet.TYPE_SCROLL_SENSITIVE, OracleResultSet.CONCUR_UPDATABLE);
^
An error occurred at line: 13 in the jsp file: /iforacle.jsp
Generated servlet error:
C:\Apache\tomcat\work\Catalina\localhost\TomcatTest\org\apache\jsp\iforacle_jsp.java:107: incompatible types
found : java.sql.ResultSet
required: oracle.jdbc.driver.OracleResultSet
OracleResultSet rs = stmt.executeQuery(sql);
17 years ago
JSP
I have a column in the oracle table, its data type is TIMESTAMPTZ; I want to display it in the tabular form in JSP but got error like conversion to timestamp failed...
if you have come across something like this and have some code sample, please let me know, thanks a lot...
17 years ago
JSP
I am wondering how I can automate the config process to set up for a new struts app in WSAD511...thanks a lot...
J-
17 years ago
I check the log for tomcat 5 startup, below.
mystructs is my web app...anyone know why these errors occur...? thanks a lot..J-
2004-04-30 00:34:14 StandardContext[/balancer]org.apache.webapp.balancer.BalancerFilter: init(): ruleChain: [org.apache.webapp.balancer.RuleChain: [org.apache.webapp.balancer.rules.URLStringMatchRule: Target string: News / Redirect URL: ,]http://www.cnn.com], [org.apache.webapp.balancer.rules.RequestParameterRule: Target param name: paramName / Target param value: paramValue / Redirect URL: ,]http://www.yahoo.com], [org.apache.webapp.balancer.rules.AcceptEverythingRule: Redirect URL: ]]http://jakarta.apache.org]]
2004-04-30 00:34:15 StandardContext[/mystructs]StandardWrapper.Throwable
java.lang.NullPointerException
at org.apache.struts.action.ActionServlet.parseModuleConfigFile(ActionServlet.java:1003)
at org.apache.struts.action.ActionServlet.initModuleConfig(ActionServlet.java:955)
at org.apache.struts.action.ActionServlet.init(ActionServlet.java:470)
at javax.servlet.GenericServlet.init(GenericServlet.java:256)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1044)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:887)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3959)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4284)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:866)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:850)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:638)
at org.apache.catalina.core.StandardHostDeployer.addChild(StandardHostDeployer.java:839)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.apache.commons.beanutils.MethodUtils.invokeMethod(MethodUtils.java:252)
at org.apache.commons.digester.SetNextRule.end(SetNextRule.java:256)
at org.apache.commons.digester.Rule.end(Rule.java:276)
at org.apache.commons.digester.Digester.endElement(Digester.java:1058)
at org.apache.catalina.util.CatalinaDigester.endElement(CatalinaDigester.java:123)
at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanEndElement(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at org.apache.commons.digester.Digester.parse(Digester.java:1567)
at org.apache.catalina.core.StandardHostDeployer.install(StandardHostDeployer.java:519)
at org.apache.catalina.core.StandardHost.install(StandardHost.java:906)
at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:527)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:472)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1008)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:394)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:166)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1134)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:832)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1126)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:521)
at org.apache.catalina.core.StandardService.start(StandardService.java:519)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:2345)
at org.apache.catalina.startup.Catalina.start(Catalina.java:594)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:297)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:398)
2004-04-30 00:34:15 StandardContext[/mystructs]Servlet /mystructs threw load() exception
javax.servlet.ServletException: Servlet.init() for servlet action threw exception
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1086)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:887)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3959)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4284)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:866)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:850)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:638)
at org.apache.catalina.core.StandardHostDeployer.addChild(StandardHostDeployer.java:839)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.apache.commons.beanutils.MethodUtils.invokeMethod(MethodUtils.java:252)
at org.apache.commons.digester.SetNextRule.end(SetNextRule.java:256)
at org.apache.commons.digester.Rule.end(Rule.java:276)
at org.apache.commons.digester.Digester.endElement(Digester.java:1058)
at org.apache.catalina.util.CatalinaDigester.endElement(CatalinaDigester.java:123)
at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanEndElement(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at org.apache.commons.digester.Digester.parse(Digester.java:1567)
at org.apache.catalina.core.StandardHostDeployer.install(StandardHostDeployer.java:519)
at org.apache.catalina.core.StandardHost.install(StandardHost.java:906)
at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:527)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:472)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1008)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:394)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:166)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1134)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:832)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1126)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:521)
at org.apache.catalina.core.StandardService.start(StandardService.java:519)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:2345)
at org.apache.catalina.startup.Catalina.start(Catalina.java:594)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:297)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:398)
----- Root Cause -----
java.lang.NullPointerException
at org.apache.struts.action.ActionServlet.parseModuleConfigFile(ActionServlet.java:1003)
at org.apache.struts.action.ActionServlet.initModuleConfig(ActionServlet.java:955)
at org.apache.struts.action.ActionServlet.init(ActionServlet.java:470)
at javax.servlet.GenericServlet.init(GenericServlet.java:256)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1044)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:887)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3959)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4284)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:866)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:850)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:638)
at org.apache.catalina.core.StandardHostDeployer.addChild(StandardHostDeployer.java:839)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.apache.commons.beanutils.MethodUtils.invokeMethod(MethodUtils.java:252)
at org.apache.commons.digester.SetNextRule.end(SetNextRule.java:256)
at org.apache.commons.digester.Rule.end(Rule.java:276)
at org.apache.commons.digester.Digester.endElement(Digester.java:1058)
at org.apache.catalina.util.CatalinaDigester.endElement(CatalinaDigester.java:123)
at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanEndElement(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at org.apache.commons.digester.Digester.parse(Digester.java:1567)
at org.apache.catalina.core.StandardHostDeployer.install(StandardHostDeployer.java:519)
at org.apache.catalina.core.StandardHost.install(StandardHost.java:906)
at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:527)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:472)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1008)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:394)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:166)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1134)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:832)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1126)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:521)
at org.apache.catalina.core.StandardService.start(StandardService.java:519)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:2345)
at org.apache.catalina.startup.Catalina.start(Catalina.java:594)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:297)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:398)
2004-04-30 00:34:19 StandardContext[/struts-example]action: []: Verifying ModuleConfig for this application module
2004-04-30 00:34:19 StandardContext[/struts-example]action: []: Verification of ModuleConfig has been completed
2004-04-30 00:34:24 StandardContext[/jsp-examples]ContextListener: contextInitialized()
2004-04-30 00:34:24 StandardContext[/jsp-examples]SessionListener: contextInitialized()
2004-04-30 00:34:25 StandardContext[/servlets-examples]ContextListener: contextInitialized()
2004-04-30 00:34:25 StandardContext[/servlets-examples]SessionListener: contextInitialized()
[ April 30, 2004: Message edited by: Jake Lee ]
17 years ago
thanks a lot, that was what I figured out...
17 years ago
I set up tomcat 5 as a service on windows... and tomcat 4.1 as an application for development with IntelliJ IDEA. As we know, IDEA doesn't work well with tomcat5 but 4. I can't start tomcat 4 while 5 is up and running - it simply aborted due to some errors...
anyone here has a config to make both running on different ports?
Thanks...
17 years ago
Here you go:
arr1[]
arr1[].id
arr1[].value
inside arr1:
arr2[].itemNo
arr2[].value
based on the values of ids in arr1, sort out unique ids and create same structure of the above hierarchy by putting arr2 elements into one arr2 when ids are same. Basically to eliminate duplicate ids...and regroup their children.
Any thoughts??
Jake
[ January 27, 2003: Message edited by: Jake Lee ]
18 years ago
I have an array, say arrCode[] and there two fields under that: key, value.
Based on the values of keys, group all values into groups of same key values. and the result should be groups of arrays of same keys with corresponding values. Anyone has some sample code to accomplish this?
Thanks a lot.
J-
18 years ago
I have an array that has about 60,000 elements,
and i want to batch it into 300 a piece to output data.
anyone can help?
thanks a lot.
J-
19 years ago
I am trying to convert SAP dates to Juilian Dates...anyone can help on this???
Thanks a lot.
Jake
19 years ago
Anyone has sample code for this?
I am working on this and try to figure out the input of the string and it didn't work out.
Thanks.
Jake
19 years ago
I have a table in Oracle, which has 7 columns and 40 rows of entries.
I want to retrieve the whole table and store it in ArrayList for later lookup.
Anyone has some sample code for this?
Thanks a lot.
W
It is simply key-value pair format....
take two keys in and output 5 corresponding fields....
19 years ago