<![CDATA[Upgraded H2 to SQL - ran succesfully but now "server errors" occuring]]>My install was running a little sluggishly recently so I decided on a few improvements. I allocated more heap space to java and I have just upgraded the database to MYSQL from H2. The improvement in all around speed is amazing!!
Everything seemed to have run smoothly. I can query the database and see data-points created etc.

However when toggling a data point on/off I am receiving "server error has occurred" warnings. Making changes to the data-point settings is bringing up the same error.



ERROR 2015-04-22 16:39:28,718 (com.serotonin.m2m2.web.dwr.util.ExceptionDetectionFilter.doFilter:38) - DWR invocation exception 
java.lang.NullPointerException
    at com.serotonin.m2m2.web.mvc.rest.v1.model.pointValue.PointValueTimeModel.<init>(PointValueTimeModel.java:54)
    at com.serotonin.m2m2.web.mvc.rest.v1.publisher.pointValue.PointValueWebSocketPublisher.pointTerminated(PointValueWebSocketPublisher.java:149)
    at com.serotonin.m2m2.rt.RuntimeManager.stopDataPoint(RuntimeManager.java:430)
    at com.serotonin.m2m2.rt.RuntimeManager.saveDataPoint(RuntimeManager.java:339)
    at com.serotonin.m2m2.web.dwr.DataPointDwr.toggle(DataPointDwr.java:89)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.directwebremoting.impl.ExecuteAjaxFilter.doFilter(ExecuteAjaxFilter.java:34)
    at org.directwebremoting.impl.DefaultRemoter$1.doFilter(DefaultRemoter.java:428)
    at com.serotonin.m2m2.web.dwr.util.TranslationsFilter.doFilter(TranslationsFilter.java:37)
    at org.directwebremoting.impl.DefaultRemoter$1.doFilter(DefaultRemoter.java:428)
    at com.serotonin.m2m2.web.dwr.util.ExceptionDetectionFilter.doFilter(ExceptionDetectionFilter.java:26)
    at org.directwebremoting.impl.DefaultRemoter$1.doFilter(DefaultRemoter.java:428)
    at com.serotonin.m2m2.web.dwr.util.DwrPermissionFilter.doFilter(DwrPermissionFilter.java:38)
    at org.directwebremoting.impl.DefaultRemoter$1.doFilter(DefaultRemoter.java:428)
    at org.directwebremoting.impl.DefaultRemoter.execute(DefaultRemoter.java:431)
    at org.directwebremoting.impl.DefaultRemoter.execute(DefaultRemoter.java:283)
    at org.directwebremoting.servlet.PlainCallHandler.handle(PlainCallHandler.java:52)
    at org.directwebremoting.servlet.UrlProcessor.handle(UrlProcessor.java:101)
    at org.directwebremoting.servlet.DwrServlet.doPost(DwrServlet.java:146)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
    at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:769)
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1667)
    at org.eclipse.jetty.servlets.UserAgentFilter.doFilter(UserAgentFilter.java:83)
    at org.eclipse.jetty.servlets.GzipFilter.doFilter(GzipFilter.java:300)
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1650)
    at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:583)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
    at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:577)
    at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223)
    at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1125)
    at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
    at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
    at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1059)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
    at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:215)
    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
    at org.eclipse.jetty.server.Server.handle(Server.java:485)
    at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:290)
    at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:248)
    at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540)
    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:606)
    at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:535)
    at java.lang.Thread.run(Unknown Source)
ERROR 2015-04-22 16:40:27,815 (org.springframework.web.socket.handler.LoggingWebSocketHandlerDecorator.handleTransportError:61) - Transport error for WebSocket session id=1e12a4 
java.net.SocketTimeoutException: Timeout on Read
    at org.eclipse.jetty.websocket.common.io.AbstractWebSocketConnection.onReadTimeout(AbstractWebSocketConnection.java:526)
    at org.eclipse.jetty.io.AbstractConnection.onFillInterestedFailed(AbstractConnection.java:173)
    at org.eclipse.jetty.websocket.common.io.AbstractWebSocketConnection.onFillInterestedFailed(AbstractWebSocketConnection.java:496)
    at org.eclipse.jetty.io.AbstractConnection$ReadCallback$1.run(AbstractConnection.java:582)
    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:606)
    at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:535)
    at java.lang.Thread.run(Unknown Source)
ERROR 2015-04-22 16:40:28,239 (org.springframework.web.socket.handler.LoggingWebSocketHandlerDecorator.handleTransportError:61) - Transport error for WebSocket session id=161de66 
java.net.SocketTimeoutException: Timeout on Read
    at org.eclipse.jetty.websocket.common.io.AbstractWebSocketConnection.onReadTimeout(AbstractWebSocketConnection.java:526)
    at org.eclipse.jetty.io.AbstractConnection.onFillInterestedFailed(AbstractConnection.java:173)
    at org.eclipse.jetty.websocket.common.io.AbstractWebSocketConnection.onFillInterestedFailed(AbstractWebSocketConnection.java:496)
    at org.eclipse.jetty.io.AbstractConnection$ReadCallback$1.run(AbstractConnection.java:582)
    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:606)
    at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:535)
    at java.lang.Thread.run(Unknown Source)
ERROR 2015-04-22 16:40:28,411 (org.springframework.web.socket.handler.LoggingWebSocketHandlerDecorator.handleTransportError:61) - Transport error for WebSocket session id=b59ed5 
java.net.SocketTimeoutException: Timeout on Read
    at org.eclipse.jetty.websocket.common.io.AbstractWebSocketConnection.onReadTimeout(AbstractWebSocketConnection.java:526)
    at org.eclipse.jetty.io.AbstractConnection.onFillInterestedFailed(AbstractConnection.java:173)
    at org.eclipse.jetty.websocket.common.io.AbstractWebSocketConnection.onFillInterestedFailed(AbstractWebSocketConnection.java:496)
    at org.eclipse.jetty.io.AbstractConnection$ReadCallback$1.run(AbstractConnection.java:582)
    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:606)
    at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:535)
    at java.lang.Thread.run(Unknown Source)

After going for a quick coffee break, I came back and could toggle on/off, save data-point changes!! It seemed to have resolved itself.

Any insight into what is happening here would be greatly appreciated.

Thanks in advance,

Dominic

]]>https://forum.mango-os.com/topic/1866/upgraded-h2-to-sql-ran-succesfully-but-now-server-errors-occuringRSS for NodeWed, 07 Oct 2026 03:13:47 GMTWed, 22 Apr 2015 16:08:17 GMT60<![CDATA[Reply to Upgraded H2 to SQL - ran succesfully but now "server errors" occuring on Thu, 23 Apr 2015 07:34:13 GMT]]>Hi Joel,

It is version 2.5.0.
I have figured it out. I had public-dashboards open with the data points being visualised via the API to a local web page. The data points that were being utilised on the page were the points that were giving me an error when I went to amend them. Simply closing the open web page allowed me to edit the data points without error.

Dominic

]]>https://forum.mango-os.com/post/9927https://forum.mango-os.com/post/9927Thu, 23 Apr 2015 07:34:13 GMT<![CDATA[Reply to Upgraded H2 to SQL - ran succesfully but now "server errors" occuring on Wed, 22 Apr 2015 16:47:57 GMT]]>@Dominic.Irl said:
What version of Mango is this? I think something may have gone wrong with the conversion of the units for data points but I'm pretty sure this issue was fixed in the latest version.

]]>https://forum.mango-os.com/post/9915https://forum.mango-os.com/post/9915Wed, 22 Apr 2015 16:47:57 GMT