java.lang.NullPointerException

Icesoft | yangzhit | 8 years ago
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    Menu Bar problem

    Icesoft | 8 years ago | yangzhit
    java.lang.NullPointerException
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    Spring MVC and Websocket Exception using Sockjs with Stompjs

    itquestionz.com | 2 years ago
    org.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.springframework.web.socket.sockjs.SockJsException: Uncaught failure in SockJS request, uri=http://localhost:8080/frontend/track/info; nested exception is java.lang.NullPointerException

  1. Andreas Häber 1 times, last 2 months ago
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Root Cause Analysis

  1. java.lang.NullPointerException

    No message provided

    at java.util.ArrayList.<init>()
  2. Java RT
    ArrayList.<init>
    1. java.util.ArrayList.<init>(ArrayList.java:158)
    1 frame
  3. com.icesoft.faces
    MenuItem.isRendered
    1. com.icesoft.faces.webapp.http.servlet.SessionDispatcher.inRole(SessionDispatcher.java:148)
    2. com.icesoft.faces.webapp.http.servlet.SessionDispatcher.access$300(SessionDispatcher.java:29)
    3. com.icesoft.faces.webapp.http.servlet.SessionDispatcher$2.isUserInRole(SessionDispatcher.java:98)
    4. com.icesoft.faces.context.BridgeExternalContext.isUserInRole(BridgeExternalContext.java:203)
    5. com.icesoft.faces.component.ext.taglib.Util.isRenderedOnUserRole(Util.java:112)
    6. com.icesoft.faces.component.menubar.MenuItem.isRendered(MenuItem.java:412)
    6 frames
  4. sg.gov.mda
    MenuBarBean.isRendered
    1. sg.gov.mda.soa.common.tops.MenuBarBean.isChildRendered(MenuBarBean.java:250)
    2. sg.gov.mda.soa.common.tops.MenuBarBean.processChildMenusRendered(MenuBarBean.java:198)
    3. sg.gov.mda.soa.common.tops.MenuBarBean.isRendered(MenuBarBean.java:168)
    3 frames
  5. Java RT
    Method.invoke
    1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64)
    3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    4. java.lang.reflect.Method.invoke(Method.java:615)
    4 frames
  6. JSF
    PropertyResolverImpl.getValue
    1. com.sun.faces.el.PropertyResolverImpl.getValue(PropertyResolverImpl.java:99)
    1 frame
  7. Facelets
    LegacyELContext$LegacyELResolver.getValue
    1. com.sun.facelets.el.LegacyELContext$LegacyELResolver.getValue(LegacyELContext.java:141)
    1 frame
  8. EL
    ValueExpressionImpl.getValue
    1. com.sun.el.parser.AstValue.getValue(AstValue.java:96)
    2. com.sun.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:183)
    2 frames
  9. Facelets
    LegacyValueBinding.getValue
    1. com.sun.facelets.el.TagValueExpression.getValue(TagValueExpression.java:71)
    2. com.sun.facelets.el.LegacyValueBinding.getValue(LegacyValueBinding.java:56)
    2 frames