500 Servlet Exception
java.lang.NullPointerException
at java.io.StringReader.<init>(StringReader.java:33)
at com.futuresource.livecharts.servlet.misc.LiveChart sServlet.doGet(Unknown Source)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:126)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:103)
at com.caucho.server.http.FilterChainServlet.doFilter (FilterChainServlet.java:96)
at com.caucho.server.http.Invocation.service(Invocati on.java:315)
at com.caucho.server.http.HttpRequest.handleRequest(H ttpRequest.java:253)
at com.caucho.server.http.HttpRequest.handleConnectio n(HttpRequest.java:170)
at com.caucho.server.TcpConnection.run(TcpConnection. java:139)
at java.lang.Thread.run(Thread.java:595)
java.lang.NullPointerException
at java.io.StringReader.<init>(StringReader.java:33)
at com.futuresource.livecharts.servlet.misc.LiveChart sServlet.doGet(Unknown Source)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:126)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:103)
at com.caucho.server.http.FilterChainServlet.doFilter (FilterChainServlet.java:96)
at com.caucho.server.http.Invocation.service(Invocati on.java:315)
at com.caucho.server.http.HttpRequest.handleRequest(H ttpRequest.java:253)
at com.caucho.server.http.HttpRequest.handleConnectio n(HttpRequest.java:170)
at com.caucho.server.TcpConnection.run(TcpConnection. java:139)
at java.lang.Thread.run(Thread.java:595)
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