starting liferay -


i work on liferay.we use 1 module in our project liferay theme creation. use command ant -ddeploy.war=true deploys in server. war file gets created in liferay deploy folder. when start server not options login. not liferay specific options. following server logs

an error occurred @ line: 117 in jsp file: /html/portlet/login/login.jsp com.alepo.hooks.concurrentloginexception cannot resolved type 114:            <liferay-ui:error exception="<%= userlockoutexception.class %>" message="this-account-has-been-locked" /> 115:            <liferay-ui:error exception="<%= userpasswordexception.class %>" message="please-enter-a-valid-password" /> 116:            <liferay-ui:error exception="<%= userscreennameexception.class %>" message="please-enter-a-valid-screen-name" /> 117:            <liferay-ui:error exception="<%= com.alepo.hooks.concurrentloginexception.class %>" message="max-sessions-exceeded" /> 118: 119:            <fieldset class="block-labels"> 120:                    <div class="ctrl-holder">   stacktrace:         @ org.apache.jasper.compiler.defaulterrorhandler.javacerror(defaulterrorhandler.java:93)         @ org.apache.jasper.compiler.errordispatcher.javacerror(errordispatcher.java:330)         @ org.apache.jasper.compiler.jdtcompiler.generateclass(jdtcompiler.java:451)         @ org.apache.jasper.compiler.compiler.compile(compiler.java:328)         @ org.apache.jasper.compiler.compiler.compile(compiler.java:307)         @ org.apache.jasper.compiler.compiler.compile(compiler.java:295)         @ org.apache.jasper.jspcompilationcontext.compile(jspcompilationcontext.java:565)         @ org.apache.jasper.servlet.jspservletwrapper.service(jspservletwrapper.java:311)         @ org.apache.jasper.servlet.jspservlet.servicejspfile(jspservlet.java:308)         @ org.apache.jasper.servlet.jspservlet.service(jspservlet.java:259)         @ javax.servlet.http.httpservlet.service(httpservlet.java:729)         @ org.apache.catalina.core.applicationfilterchain.internaldofilter(applicationfilterchain.java:269)         @ org.apache.catalina.core.applicationfilterchain.dofilter(applicationfilterchain.java:188)         @ org.apache.catalina.core.applicationdispatcher.invoke(applicationdispatcher.java:679)         @ org.apache.catalina.core.applicationdispatcher.doinclude(applicationdispatcher.java:584)         @ org.apache.catalina.core.applicationdispatcher.include(applicationdispatcher.java:497)         @ com.liferay.taglib.util.includetag.doendtag(includetag.java:67)         @ org.apache.jsp.html.common.themes.portlet_jsp._jspservice(portlet_jsp.java:2669)         @ org.apache.jasper.runtime.httpjspbase.service(httpjspbase.java:98)

any idea it?

it seems custom login-hook messed-up , not problem theme.

if read error carefully:

an error occurred @ line: 117 in jsp file: /html/portlet/login/login.jsp com.alepo.hooks.concurrentloginexception cannot resolved type

so happening /html/portlet/login/login.jsp not able find class concurrentloginexception resides in hook, why happening because way liferay handles class-loading.

in short, there 3 classloaders:

  1. global (the classes in servers lib tomcat/ext/lib database drivers , portal-service.jar): these classes can used , available plugins context , liferay's context.
  2. portal classloader (classes in root/web-inf/lib famous portal-impl.jar): these classes or implementation available liferay's context.
  3. portlet / plugin classloader (loads classes of our plugins): these available our plugins (portlets, hooks etc) , not available liferay's modules/context.

so after short crash-course may have known problem is, still try answer (for points sake :-).

so here is, since jsp-hook modifies liferay's jsp , copied on root directory falls under liferay's context custom class created inside plugin (portlet or hook or themes) not available jsp, in case login.jsp.

so either don't use class ;-) inside jsp or put exception class (packaged in jar) in global path i.e. tomcat/ext/lib available login.jsp.

here verdict liferay staff on similar issue , answer might drive concept home , in future.


Comments

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