java.lang.IllegalArgumentException: URLDecoder: Illegal hex characters in escape (%) pattern - For input string: "%%"

Apache's JIRA Issue Tracker | Johan Heylen | 4 years ago
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Root Cause Analysis

  1. java.lang.IllegalArgumentException

    URLDecoder: Illegal hex characters in escape (%) pattern - For input string: "%%"

    at org.apache.wicket.request.UrlDecoder.decode()
  2. Wicket Request
    Url.parse
    1. org.apache.wicket.request.UrlDecoder.decode(UrlDecoder.java:162)
    2. org.apache.wicket.request.UrlDecoder.decode(UrlDecoder.java:76)
    3. org.apache.wicket.request.Url.decodeParameter(Url.java:601)
    4. org.apache.wicket.request.Url.parseQueryParameter(Url.java:104)
    5. org.apache.wicket.request.Url.parse(Url.java:243)
    5 frames
  3. Wicket Core
    WicketFilter.doFilter
    1. org.apache.wicket.protocol.http.servlet.ServletWebRequest.getContextRelativeUrl(ServletWebRequest.java:222)
    2. org.apache.wicket.protocol.http.servlet.ServletWebRequest.<init>(ServletWebRequest.java:126)
    3. org.apache.wicket.protocol.http.servlet.ServletWebRequest.<init>(ServletWebRequest.java:83)
    4. org.apache.wicket.protocol.http.WebApplication.newWebRequest(WebApplication.java:413)
    5. org.apache.wicket.protocol.http.WebApplication.createWebRequest(WebApplication.java:458)
    6. org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:183)
    7. org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:244)
    7 frames
  4. Jetty
    BlockingHttpConnection.handle
    1. org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1326)
    2. org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:479)
    3. org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119)
    4. org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:520)
    5. org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:227)
    6. org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:940)
    7. org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:409)
    8. org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:186)
    9. org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:874)
    10. org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117)
    11. org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:110)
    12. org.eclipse.jetty.server.Server.handle(Server.java:349)
    13. org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:441)
    14. org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:904)
    15. org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:565)
    16. org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:217)
    17. org.eclipse.jetty.server.BlockingHttpConnection.handle(BlockingHttpConnection.java:50)
    17 frames
  5. GWT dev
    SocketConnector$ConnectorEndPoint.run
    1. org.eclipse.jetty.server.bio.SocketConnector$ConnectorEndPoint.run(SocketConnector.java:245)
    1 frame
  6. Jetty
    QueuedThreadPool$3.run
    1. org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:598)
    2. org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:533)
    2 frames
  7. Java RT
    Thread.run
    1. java.lang.Thread.run(Unknown Source)
    1 frame