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Event Handler Setting Meta Point Failing
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Hi Phil,
As Ronak said, the screenshots are a bit deceptive. What we did to test the event is to reduce the event detector threshold to 130, then raise it again.
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There are two issues that were handled recently that come to mind. If you go to the /internal/queueStats.shtm page do you see a large number of medium priority items queuing up, perhaps never decreasing?
That you say it tripped the email but didn't set the point is interesting. I would have expected you to get a log message but this issue could be related: https://github.com/infiniteautomation/ma-core-public/issues/1235
Both of those should go away in 3.4, which is beta released currently (pick your release channel in the system settings) and will probably be fully released next week.
Does the behavior persist a restart? I am fairly confident in the event handler being able to set a meta point to a static value.
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Hey Phil,
Here's some info:
Here is the accurate screenshot of our event handler:
Here is the watchlist showing the event is active, but the meta point isn't getting set:
Here is the /internal/queueStats.shtm page
Is it possible we did not configure the metapoint correctly when we created it?
We weren't sure if multistate was the right option, or what we should put in 'script'
Here are the metapoint settings:
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Update:
I tried 'multistate' instead of numeric, got this error:
Here are the event handler settings:
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The second image you provided, of the /internal/queueStats.shtm page, makes me certain it is the first issue I referred to. If you update to 3.4 I would expect that issue to go away. If you restart I would expect it to be temporarily relieved.
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Sounds good -- we will wait for 3.4 to be officially released and then upgrade and report back.
Thank you again for all of your help!
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Hi @phildunlap ,
Still no luck. We upgraded to 3.4 today and now we're getting this error when trying to create an event handler to set a point:
For reference, here is the event handler we are trying to create:
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Post the error in its entirety from your Mango/logs/ma.log file.
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@phildunlap said in Event Handler Setting Meta Point Failing:
Post the error in its entirety from your Mango/logs/ma.log file.
ERROR 2018-05-02T09:55:50,957 (com.serotonin.m2m2.web.dwr.util.ExceptionDetectionFilter.doFilter:38) - DWR invocation exception org.springframework.jdbc.BadSqlGrammarException: PreparedStatementCallback; bad SQL grammar [INSERT INTO eventHandlersMapping (eventHandlerId, eventTypeName, eventTypeRef1, eventTypeRef2) values (?, ?, ?, ?) ON DUPLICATE KEY IGNORE]; nested exception is com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'IGNORE' at line 1 at org.springframework.jdbc.support.SQLErrorCodeSQLExceptionTranslator.doTranslate(SQLErrorCodeSQLExceptionTranslator.java:231) ~[spring-jdbc-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:73) ~[spring-jdbc-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:655) ~[spring-jdbc-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.springframework.jdbc.core.JdbcTemplate.update(JdbcTemplate.java:876) ~[spring-jdbc-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.springframework.jdbc.core.JdbcTemplate.update(JdbcTemplate.java:937) ~[spring-jdbc-4.3.16.RELEASE.jar:4.3.16.RELEASE] at com.serotonin.db.spring.ExtendedJdbcTemplate.update(ExtendedJdbcTemplate.java:83) ~[mango-3.4.0.jar:?] at com.serotonin.m2m2.db.dao.EventHandlerDao.addEventHandlerMappingIfMissing(EventHandlerDao.java:241) ~[mango-3.4.0.jar:?] at com.serotonin.m2m2.db.dao.EventHandlerDao.saveRelationalData(EventHandlerDao.java:210) ~[mango-3.4.0.jar:?] at com.serotonin.m2m2.db.dao.EventHandlerDao.saveRelationalData(EventHandlerDao.java:37) ~[mango-3.4.0.jar:?] at com.serotonin.m2m2.db.dao.AbstractBasicDao.lambda$saveFull$0(AbstractBasicDao.java:552) ~[mango-3.4.0.jar:?] at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:133) ~[spring-tx-4.3.16.RELEASE.jar:4.3.16.RELEASE] at com.serotonin.m2m2.db.dao.AbstractBasicDao.saveFull(AbstractBasicDao.java:548) ~[mango-3.4.0.jar:?] at com.serotonin.m2m2.db.dao.AbstractBasicDao.saveFull(AbstractBasicDao.java:539) ~[mango-3.4.0.jar:?] at com.serotonin.m2m2.web.dwr.EventHandlersDwr.save(EventHandlersDwr.java:333) ~[mango-3.4.0.jar:?] at com.serotonin.m2m2.web.dwr.EventHandlersDwr.saveSetPointEventHandler(EventHandlersDwr.java:272) ~[mango-3.4.0.jar:?] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_162] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_162] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_162] at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_162] at org.directwebremoting.impl.ExecuteAjaxFilter.doFilter(ExecuteAjaxFilter.java:34) ~[dwr-2.0.11.jar:?] at org.directwebremoting.impl.DefaultRemoter$1.doFilter(DefaultRemoter.java:428) ~[dwr-2.0.11.jar:?] at com.serotonin.m2m2.web.dwr.util.TranslationsFilter.doFilter(TranslationsFilter.java:37) ~[mango-3.4.0.jar:?] at org.directwebremoting.impl.DefaultRemoter$1.doFilter(DefaultRemoter.java:428) ~[dwr-2.0.11.jar:?] at com.serotonin.m2m2.web.dwr.util.ExceptionDetectionFilter.doFilter(ExceptionDetectionFilter.java:26) [mango-3.4.0.jar:?] at org.directwebremoting.impl.DefaultRemoter$1.doFilter(DefaultRemoter.java:428) [dwr-2.0.11.jar:?] at com.serotonin.m2m2.web.dwr.util.DwrPermissionFilter.doFilter(DwrPermissionFilter.java:46) [mango-3.4.0.jar:?] at org.directwebremoting.impl.DefaultRemoter$1.doFilter(DefaultRemoter.java:428) [dwr-2.0.11.jar:?] at org.directwebremoting.impl.DefaultRemoter.execute(DefaultRemoter.java:431) [dwr-2.0.11.jar:?] at org.directwebremoting.impl.DefaultRemoter.execute(DefaultRemoter.java:283) [dwr-2.0.11.jar:?] at org.directwebremoting.servlet.PlainCallHandler.handle(PlainCallHandler.java:52) [dwr-2.0.11.jar:?] at org.directwebremoting.servlet.UrlProcessor.handle(UrlProcessor.java:101) [dwr-2.0.11.jar:?] at org.directwebremoting.servlet.DwrServlet.doPost(DwrServlet.java:146) [dwr-2.0.11.jar:?] at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [javax.servlet-api-3.1.0.jar:3.1.0] at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) [javax.servlet-api-3.1.0.jar:3.1.0] at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:848) [jetty-servlet-9.3.23.v20180228.jar:9.3.23.v20180228] at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1772) [jetty-servlet-9.3.23.v20180228.jar:9.3.23.v20180228] at org.springframework.web.filter.ShallowEtagHeaderFilter.doFilterInternal(ShallowEtagHeaderFilter.java:110) [spring-web-4.3.16.RELEASE.jar:4.3.16.RELEASE] at com.serotonin.m2m2.web.filter.MangoShallowEtagHeaderFilter.doFilterInternal(MangoShallowEtagHeaderFilter.java:90) [mango-3.4.0.jar:?] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1759) [jetty-servlet-9.3.23.v20180228.jar:9.3.23.v20180228] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:317) [spring-security-web-4.2.5.RELEASE.jar:4.2.5.RELEASE] at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:127) [spring-security-web-4.2.5.RELEASE.jar:4.2.5.RELEASE] at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:91) [spring-security-web-4.2.5.RELEASE.jar:4.2.5.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) [spring-security-web-4.2.5.RELEASE.jar:4.2.5.RELEASE] at com.serotonin.m2m2.web.mvc.spring.security.PermissionExceptionFilter.doFilter(PermissionExceptionFilter.java:32) [mango-3.4.0.jar:?] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) [spring-security-web-4.2.5.RELEASE.jar:4.2.5.RELEASE] at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:114) [spring-security-web-4.2.5.RELEASE.jar:4.2.5.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) [spring-security-web-4.2.5.RELEASE.jar:4.2.5.RELEASE] at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:137) [spring-security-web-4.2.5.RELEASE.jar:4.2.5.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) [spring-security-web-4.2.5.RELEASE.jar:4.2.5.RELEASE] at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:111) [spring-security-web-4.2.5.RELEASE.jar:4.2.5.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) [spring-security-web-4.2.5.RELEASE.jar:4.2.5.RELEASE] at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:170) [spring-security-web-4.2.5.RELEASE.jar:4.2.5.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) [spring-security-web-4.2.5.RELEASE.jar:4.2.5.RELEASE] at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:63) [spring-security-web-4.2.5.RELEASE.jar:4.2.5.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) [spring-security-web-4.2.5.RELEASE.jar:4.2.5.RELEASE] at org.springframework.security.web.session.ConcurrentSessionFilter.doFilter(ConcurrentSessionFilter.java:155) [spring-security-web-4.2.5.RELEASE.jar:4.2.5.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) [spring-security-web-4.2.5.RELEASE.jar:4.2.5.RELEASE] at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:200) [spring-security-web-4.2.5.RELEASE.jar:4.2.5.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) [spring-security-web-4.2.5.RELEASE.jar:4.2.5.RELEASE] at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:116) [spring-security-web-4.2.5.RELEASE.jar:4.2.5.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) [spring-security-web-4.2.5.RELEASE.jar:4.2.5.RELEASE] at org.springframework.security.web.csrf.CsrfFilter.doFilterInternal(CsrfFilter.java:100) [spring-security-web-4.2.5.RELEASE.jar:4.2.5.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) [spring-security-web-4.2.5.RELEASE.jar:4.2.5.RELEASE] at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:66) [spring-security-web-4.2.5.RELEASE.jar:4.2.5.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) [spring-security-web-4.2.5.RELEASE.jar:4.2.5.RELEASE] at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:105) [spring-security-web-4.2.5.RELEASE.jar:4.2.5.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) [spring-security-web-4.2.5.RELEASE.jar:4.2.5.RELEASE] at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:56) [spring-security-web-4.2.5.RELEASE.jar:4.2.5.RELEASE] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) [spring-security-web-4.2.5.RELEASE.jar:4.2.5.RELEASE] at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:214) [spring-security-web-4.2.5.RELEASE.jar:4.2.5.RELEASE] at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:177) [spring-security-web-4.2.5.RELEASE.jar:4.2.5.RELEASE] at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:347) [spring-web-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:263) [spring-web-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1751) [jetty-servlet-9.3.23.v20180228.jar:9.3.23.v20180228] at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:582) [jetty-servlet-9.3.23.v20180228.jar:9.3.23.v20180228] at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) [jetty-server-9.3.23.v20180228.jar:9.3.23.v20180228] at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548) [jetty-security-9.3.23.v20180228.jar:9.3.23.v20180228] at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226) [jetty-server-9.3.23.v20180228.jar:9.3.23.v20180228] at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180) [jetty-server-9.3.23.v20180228.jar:9.3.23.v20180228] at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:512) [jetty-servlet-9.3.23.v20180228.jar:9.3.23.v20180228] at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185) [jetty-server-9.3.23.v20180228.jar:9.3.23.v20180228] at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112) [jetty-server-9.3.23.v20180228.jar:9.3.23.v20180228] at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) [jetty-server-9.3.23.v20180228.jar:9.3.23.v20180228] at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:213) [jetty-server-9.3.23.v20180228.jar:9.3.23.v20180228] at org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:493) [jetty-server-9.3.23.v20180228.jar:9.3.23.v20180228] at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134) [jetty-server-9.3.23.v20180228.jar:9.3.23.v20180228] at org.eclipse.jetty.server.Server.handle(Server.java:539) [jetty-server-9.3.23.v20180228.jar:9.3.23.v20180228] at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:333) [jetty-server-9.3.23.v20180228.jar:9.3.23.v20180228] at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251) [jetty-server-9.3.23.v20180228.jar:9.3.23.v20180228] at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:283) [jetty-io-9.3.23.v20180228.jar:9.3.23.v20180228] at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:108) [jetty-io-9.3.23.v20180228.jar:9.3.23.v20180228] at org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93) [jetty-io-9.3.23.v20180228.jar:9.3.23.v20180228] at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303) [jetty-util-9.3.23.v20180228.jar:9.3.23.v20180228] at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148) [jetty-util-9.3.23.v20180228.jar:9.3.23.v20180228] at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136) [jetty-util-9.3.23.v20180228.jar:9.3.23.v20180228] at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671) [jetty-util-9.3.23.v20180228.jar:9.3.23.v20180228] at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589) [jetty-util-9.3.23.v20180228.jar:9.3.23.v20180228] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_162] Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'IGNORE' at line 1 at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_162] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:1.8.0_162] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[?:1.8.0_162] at com.mysql.jdbc.Util.handleNewInstance(Util.java:411) ~[mysql-connector-java-5.1.26.jar:?] at com.mysql.jdbc.Util.getInstance(Util.java:386) ~[mysql-connector-java-5.1.26.jar:?] at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1054) ~[mysql-connector-java-5.1.26.jar:?] at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4190) ~[mysql-connector-java-5.1.26.jar:?] at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4122) ~[mysql-connector-java-5.1.26.jar:?] at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2570) ~[mysql-connector-java-5.1.26.jar:?] at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2731) ~[mysql-connector-java-5.1.26.jar:?] at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2818) ~[mysql-connector-java-5.1.26.jar:?] at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2157) ~[mysql-connector-java-5.1.26.jar:?] at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2460) ~[mysql-connector-java-5.1.26.jar:?] at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2377) ~[mysql-connector-java-5.1.26.jar:?] at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2361) ~[mysql-connector-java-5.1.26.jar:?] at org.apache.commons.dbcp.DelegatingPreparedStatement.executeUpdate(DelegatingPreparedStatement.java:105) ~[commons-dbcp-1.4.jar:1.4] at org.apache.commons.dbcp.DelegatingPreparedStatement.executeUpdate(DelegatingPreparedStatement.java:105) ~[commons-dbcp-1.4.jar:1.4] at org.springframework.jdbc.core.JdbcTemplate$2.doInPreparedStatement(JdbcTemplate.java:883) ~[spring-jdbc-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.springframework.jdbc.core.JdbcTemplate$2.doInPreparedStatement(JdbcTemplate.java:876) ~[spring-jdbc-4.3.16.RELEASE.jar:4.3.16.RELEASE] at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:639) ~[spring-jdbc-4.3.16.RELEASE.jar:4.3.16.RELEASE] ... 99 more -
Whoa, that's not good. I have committed a fix and we'll be releasing core 3.4.1 to address this. Thanks for bringing it to our attention.
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@phildunlap said in Event Handler Setting Meta Point Failing:
Whoa, that's not good. I have committed a fix and we'll be releasing core 3.4.1 to address this. Thanks for bringing it to our attention.
Glad to hear it was discovered early :)
Any workarounds until 3.4.1?
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We'll be releasing 3.4.1 today.
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@phildunlap
Thanks!Thanks for the quick fix as well.
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3.4.1 is released.
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Thanks @phildunlap
Upgrade went smooth and what we were trying to do kind of worked, but still not working as expected.
I am now able to create an event handler to set a point to a static value if an event is triggered -- and that works just fine. However, the point we are setting almost instantly goes back to 0, despite the event still being active.
Screenshots:
Event Detector:
Proof that the event is still active:
Event Handler:
History of the point we are trying to set, note it goes active, and then 8 seconds later inactive for some reason (even though we never came close to hiting the reset limit of <60)
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We can see in the annotation that it wasn't the inactive event doing it. So, what could trigger that meta point to recompute itself? Is 0 the value it would get if it executed?
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@phildunlap said in Event Handler Setting Meta Point Failing:
We can see in the annotation that it wasn't the inactive event doing it. So, what could trigger that meta point to recompute itself? Is 0 the value it would get if it executed?
Hi,
Sorry -- unsure what you mean by if "...it was executed"
Nothing else changes that point except the event handler.
Here's a screeenshot of the metapoint details:
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While I have contemplated making meta points that don't have execution conditions (would be useful to hit 'refresh point value' on, as that can also trigger the meta script), I haven't yet. So, either your meta point has a point in its context that has 'update context' checked and that triggers the meta points execution, or you have the update event set to something other than context update and it's executing at some specified rate or cron.
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Ah, screenshots. You probably want to change that script body to
return UNCHANGED;or use a virtual point instead. Currently I would expect it gets a value of 0 (casting a null return value to a numeric) every time that context point updates. -
Putting
return UNCHANGEDworked!Just a follow up questions so we don't have to bug you as much in the future:
Can you provide us some guidance on where to find documentation on virtual points?
How does a virtual point differ from an meta data point?
Thanks again for all of your hard work in helping us get this working.
