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From Lukas Kahwe Smith <sm...@pooteeweet.org>
Subject json API exception
Date Tue, 08 Apr 2014 07:25:37 GMT
Aloha,

While using the json API we are seeing frequently such errors. These are read requests, which
is why I am a bit confused about the “WRITER” in the stack trace but I guess the issue
is that "/server/joiz_ch/jcr:root/.0.json” is an invalid URL?

2014-04-03 12:28:06.964 ERROR [2115513477@qtp-221739023-131] Slf4jLog.java:87 /server/joiz_ch/jcr:root/.0.json
java.lang.IllegalStateException: WRITER
	at org.mortbay.jetty.Response.getOutputStream(Response.java:594) ~[jackrabbit.jar:na]
	at org.apache.jackrabbit.webdav.WebdavResponseImpl.sendXmlResponse(WebdavResponseImpl.java:151)
~[jackrabbit.jar:na]
	at org.apache.jackrabbit.webdav.WebdavResponseImpl.sendError(WebdavResponseImpl.java:95)
~[jackrabbit.jar:na]
	at org.apache.jackrabbit.webdav.server.AbstractWebdavServlet.service(AbstractWebdavServlet.java:299)
~[jackrabbit.jar:na]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) ~[jackrabbit.jar:na]
	at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) ~[jackrabbit.jar:na]
	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:390) ~[jackrabbit.jar:na]
	at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) [jackrabbit.jar:na]
	at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) [jackrabbit.jar:na]
	at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765) [jackrabbit.jar:na]
	at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418) [jackrabbit.jar:na]
	at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) [jackrabbit.jar:na]
	at org.mortbay.jetty.handler.RequestLogHandler.handle(RequestLogHandler.java:49) [jackrabbit.jar:na]
	at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) [jackrabbit.jar:na]
	at org.mortbay.jetty.Server.handle(Server.java:326) [jackrabbit.jar:na]
	at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542) [jackrabbit.jar:na]
	at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:938) [jackrabbit.jar:na]
	at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:755) [jackrabbit.jar:na]
	at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218) [jackrabbit.jar:na]
	at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) [jackrabbit.jar:na]
	at org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:228) [jackrabbit.jar:na]
	at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582) [jackrabbit.jar:na]
2014-04-03 12:28:10.649 ERROR [124001894@qtp-221739023-146] Slf4jLog.java:87 /server/joiz_ch/jcr:root/.0.json
java.lang.IllegalStateException: WRITER
	at org.mortbay.jetty.Response.getOutputStream(Response.java:594) ~[jackrabbit.jar:na]
	at org.apache.jackrabbit.webdav.WebdavResponseImpl.sendXmlResponse(WebdavResponseImpl.java:151)
~[jackrabbit.jar:na]
	at org.apache.jackrabbit.webdav.WebdavResponseImpl.sendError(WebdavResponseImpl.java:95)
~[jackrabbit.jar:na]
	at org.apache.jackrabbit.webdav.server.AbstractWebdavServlet.service(AbstractWebdavServlet.java:299)
~[jackrabbit.jar:na]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) ~[jackrabbit.jar:na]
	at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) ~[jackrabbit.jar:na]
	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:390) ~[jackrabbit.jar:na]
	at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) [jackrabbit.jar:na]
	at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) [jackrabbit.jar:na]
	at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765) [jackrabbit.jar:na]
	at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418) [jackrabbit.jar:na]
	at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) [jackrabbit.jar:na]
	at org.mortbay.jetty.handler.RequestLogHandler.handle(RequestLogHandler.java:49) [jackrabbit.jar:na]
	at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) [jackrabbit.jar:na]
	at org.mortbay.jetty.Server.handle(Server.java:326) [jackrabbit.jar:na]
	at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542) [jackrabbit.jar:na]
	at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:938) [jackrabbit.jar:na]
	at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:755) [jackrabbit.jar:na]
	at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218) [jackrabbit.jar:na]
	at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) [jackrabbit.jar:na]
	at org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:228) [jackrabbit.jar:na]
	at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582) [jackrabbit.jar:na]
2014-04-03 12:56:10.644 ERROR [952066274@qtp-221739023-157] Slf4jLog.java:87 /server/joiz_ch/jcr:root/.0.json
java.lang.IllegalStateException: WRITER
	at org.mortbay.jetty.Response.getOutputStream(Response.java:594) ~[jackrabbit.jar:na]
	at org.apache.jackrabbit.webdav.WebdavResponseImpl.sendXmlResponse(WebdavResponseImpl.java:151)
~[jackrabbit.jar:na]
	at org.apache.jackrabbit.webdav.WebdavResponseImpl.sendError(WebdavResponseImpl.java:95)
~[jackrabbit.jar:na]
	at org.apache.jackrabbit.webdav.server.AbstractWebdavServlet.service(AbstractWebdavServlet.java:299)
~[jackrabbit.jar:na]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) ~[jackrabbit.jar:na]
	at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) ~[jackrabbit.jar:na]
	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:390) ~[jackrabbit.jar:na]
	at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) [jackrabbit.jar:na]
	at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) [jackrabbit.jar:na]
	at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765) [jackrabbit.jar:na]
	at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418) [jackrabbit.jar:na]
	at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) [jackrabbit.jar:na]
	at org.mortbay.jetty.handler.RequestLogHandler.handle(RequestLogHandler.java:49) [jackrabbit.jar:na]
	at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) [jackrabbit.jar:na]
	at org.mortbay.jetty.Server.handle(Server.java:326) [jackrabbit.jar:na]
	at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542) [jackrabbit.jar:na]
	at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:938) [jackrabbit.jar:na]
	at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:755) [jackrabbit.jar:na]
	at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218) [jackrabbit.jar:na]
	at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) [jackrabbit.jar:na]
	at org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:228) [jackrabbit.jar:na]
	at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582) [jackrabbit.jar:na]
2014-04-03 12:56:12.011 ERROR [1440433128@qtp-221739023-163] Slf4jLog.java:87 /server/joiz_ch/jcr:root/.0.json
java.lang.IllegalStateException: WRITER
	at org.mortbay.jetty.Response.getOutputStream(Response.java:594) ~[jackrabbit.jar:na]
	at org.apache.jackrabbit.webdav.WebdavResponseImpl.sendXmlResponse(WebdavResponseImpl.java:151)
~[jackrabbit.jar:na]
	at org.apache.jackrabbit.webdav.WebdavResponseImpl.sendError(WebdavResponseImpl.java:95)
~[jackrabbit.jar:na]
	at org.apache.jackrabbit.webdav.server.AbstractWebdavServlet.service(AbstractWebdavServlet.java:299)
~[jackrabbit.jar:na]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) ~[jackrabbit.jar:na]
	at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) ~[jackrabbit.jar:na]
	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:390) ~[jackrabbit.jar:na]
	at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) [jackrabbit.jar:na]
	at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) [jackrabbit.jar:na]
	at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765) [jackrabbit.jar:na]
	at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418) [jackrabbit.jar:na]
	at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) [jackrabbit.jar:na]
	at org.mortbay.jetty.handler.RequestLogHandler.handle(RequestLogHandler.java:49) [jackrabbit.jar:na]
	at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) [jackrabbit.jar:na]
	at org.mortbay.jetty.Server.handle(Server.java:326) [jackrabbit.jar:na]
	at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542) [jackrabbit.jar:na]
	at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:938) [jackrabbit.jar:na]
	at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:755) [jackrabbit.jar:na]
	at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218) [jackrabbit.jar:na]
	at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) [jackrabbit.jar:na]
	at org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:228) [jackrabbit.jar:na]
	at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582) [jackrabbit.jar:na]

regards,
Lukas Kahwe Smith
smith@pooteeweet.org




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