Vijitha Kumara wrote:
Kunal Alshi wrote:i have my code in doPost() ... but my doPost method is not getting called, tried this by writeng some SOPs.
why is that ?
Then how you get to the JSP anyway? First make sure the program flow is working well then you may correct other errors
yeah madam !
i wrote the code in doGet(). Because in this case, doPost() will never execute.
the program flow is correct, because the static data is from my jsp is getting displayed. Only the List is passed as NULL.
I get the following exception.
I guess solving this exception will solve the problem as well.
Please help me to solve this exception.
Thanks.
14:16:17,593 ERROR [STDERR] java.lang.ClassNotFoundException: com.mysql.jdbc.Driver from BaseClassLoader@6adf2f{VFSClassLoaderPolicy@6288ed{name=vfszip:/C:/Program%20Files/JBoss/jboss-5.0.1.GA/server/default/deploy/SampleWebProject.war/ domain=ClassLoaderDomain@bffcc0{name=vfszip:/C:/Program%20Files/JBoss/jboss-5.0.1.GA/server/default/deploy/SampleWebProject.war/ parentPolicy=AFTER_BUT_JAVA_BEFORE parent=ClassLoaderDomain@996cca{DefaultDomain}} roots=[MemoryContextHandler@17531354[path= context=vfsmemory://5c4o033-8j4ejr-fw4no7b5-1-fw4nohfq-1x real=vfsmemory://5c4o033-8j4ejr-fw4no7b5-1-fw4nohfq-1x], ZipEntryHandler@8012028[path=SampleWebProject.war/WEB-INF/classes context=file:/C:/Program%20Files/JBoss/jboss-5.0.1.GA/server/default/deploy/ real=file:/C:/Program%20Files/JBoss/jboss-5.0.1.GA/server/default/deploy/SampleWebProject.war/WEB-INF/classes]] delegates=null exported=[com.file.sample] <IMPORT-ALL>NON_EMPTY}}
14:16:17,593 ERROR [STDERR] at org.jboss.classloader.spi.base.BaseClassLoader.loadClass(BaseClassLoader.java:422)
14:16:17,593 ERROR [STDERR] at java.lang.ClassLoader.loadClass(Unknown Source)
14:16:17,593 ERROR [STDERR] at java.lang.ClassLoader.loadClassInternal(Unknown Source)
14:16:17,593 ERROR [STDERR] at java.lang.Class.forName0(Native Method)
14:16:17,593 ERROR [STDERR] at java.lang.Class.forName(Unknown Source)
14:16:17,593 ERROR [STDERR] at com.file.sample.ConnectionUtil.getConnection(ConnectionUtil.java:13)
14:16:17,593 ERROR [STDERR] at com.file.sample.FileDAO.getDataFromDB(FileDAO.java:31)
14:16:17,593 ERROR [STDERR] at com.file.sample.FileServlet.doGet(FileServlet.java:36)
14:16:17,593 ERROR [STDERR] at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
14:16:17,593 ERROR [STDERR] at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
14:16:17,593 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
14:16:17,593 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
14:16:17,593 ERROR [STDERR] at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
14:16:17,593 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
14:16:17,593 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
14:16:17,593 ERROR [STDERR] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)
14:16:17,593 ERROR [STDERR] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
14:16:17,593 ERROR [STDERR] at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)
14:16:17,593 ERROR [STDERR] at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)
14:16:17,593 ERROR [STDERR] at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
14:16:17,593 ERROR [STDERR] at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
14:16:17,593 ERROR [STDERR] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
14:16:17,593 ERROR [STDERR] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
14:16:17,593 ERROR [STDERR] at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
14:16:17,593 ERROR [STDERR] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
14:16:17,593 ERROR [STDERR] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
14:16:17,593 ERROR [STDERR] at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)
14:16:17,593 ERROR [STDERR] at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:601)
14:16:17,593 ERROR [STDERR] at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
14:16:17,593 ERROR [STDERR] at java.lang.Thread.run(Unknown Source)
14:16:17,593 ERROR [STDERR] java.lang.NullPointerException
14:16:17,593 ERROR [STDERR] at com.file.sample.FileDAO.getDataFromDB(FileDAO.java:36)
14:16:17,593 ERROR [STDERR] at com.file.sample.FileServlet.doGet(FileServlet.java:36)
14:16:17,593 ERROR [STDERR] at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
14:16:17,593 ERROR [STDERR] at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
14:16:17,593 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
14:16:17,593 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
14:16:17,593 ERROR [STDERR] at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
14:16:17,593 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
14:16:17,593 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
14:16:17,593 ERROR [STDERR] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)
14:16:17,593 ERROR [STDERR] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
14:16:17,593 ERROR [STDERR] at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)
14:16:17,593 ERROR [STDERR] at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)
14:16:17,593 ERROR [STDERR] at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
14:16:17,593 ERROR [STDERR] at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
14:16:17,593 ERROR [STDERR] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
14:16:17,593 ERROR [STDERR] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
14:16:17,593 ERROR [STDERR] at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
14:16:17,593 ERROR [STDERR] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
14:16:17,593 ERROR [STDERR] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
14:16:17,593 ERROR [STDERR] at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)
14:16:17,593 ERROR [STDERR] at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:601)
14:16:17,593 ERROR [STDERR] at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
14:16:17,593 ERROR [STDERR] at java.lang.Thread.run(Unknown Source)