I try "Go to declaration (Ctrl+B)" on method HttpSession.setAttribute(...)
InteeliJ go to HttpSession class, decompile it and show Internal Error
2002-04-29 18:36:27,395 [27372912] ERROR - intellij.plugins.PluginManager - IntelliJ IDEA (Ariadna) 3.0 Build #620
2002-04-29 18:36:27,395 [27372912] ERROR - intellij.plugins.PluginManager - JDK: 1.3.1_02
2002-04-29 18:36:27,395 [27372912] ERROR - intellij.plugins.PluginManager - VM: Java HotSpot(TM) Client VM
2002-04-29 18:36:27,395 [27372912] ERROR - intellij.plugins.PluginManager - Vendor: Sun Microsystems Inc.
2002-04-29 18:36:27,395 [27372912] ERROR - intellij.plugins.PluginManager - OS: Windows 2000
2002-04-29 18:36:27,395 [27372912] ERROR - intellij.plugins.PluginManager -
java.lang.NullPointerException
at com.intellij.psi.impl.e.a.D(a.java:30)
at com.intellij.psi.impl.e.a.a(a.java:29)
at com.intellij.psi.impl.e.a.a(a.java:38)
at com.intellij.psi.impl.e.a.a(a.java:38)
at com.intellij.codeInsight.daemon.impl.bm.a(bm.java:115)
at com.intellij.codeInsight.daemon.impl.cb.run(cb.java:3)
at com.intellij.openapi.application.a.b.runReadAction(b.java:174)
at com.intellij.codeInsight.daemon.impl.cn.e(cn.java:66)
at com.intellij.codeInsight.daemon.impl.cn.a(cn.java:23)
at com.intellij.codeInsight.daemon.impl.cn.a(cn.java:48)
at com.intellij.codeInsight.daemon.impl.bw.run(bw.java:1)
at com.intellij.progress.ProgressManager.a(ProgressManager.java:0)
at com.intellij.codeInsight.daemon.impl.cn.run(cn.java:31)
