You likely need to inline the code using [[CDATA[ xml style. Or better yet put the python code in a file, and refer to this file from the camel route with resource:xxx. See more at http://camel.apache.org/scripting-languages.html
On Tue, Apr 4, 2017 at 3:18 PM, samer <[email protected]> wrote: > I am trying to use python script in Camel and I am getting this exception: > > > 107 - org.apache.camel.camel-blueprint - 2.17.0.redhat-630187 | Error > occurred during starting Camel: CamelContext(camel-17) due Failed to create > route VaraExportItemTimer at: >>> SetHeader[previousTime, python{n | > H = dict(line.strip().split('=') for line in open('VaraExport.properties') > if not line.startswith('#') and not line.startswith('\n'))n | if > H.has_key("time"):n | result = H["time"]n | > else :n | result = '2001-01-01T00:00:00'n | > }] <<< in route: > Route(VaraExportItemTimer)[[From[quartz2://PS/VaraExport?cro... because of > expression must be specified > org.apache.camel.FailedToCreateRouteException: Failed to create route > VaraExportItemTimer at: >>> SetHeader[previousTime, python{ > H = dict(line.strip().split('=') for line in > open('VaraExport.properties') if not line.startswith('#') and not > line.startswith('\n')) > if H.has_key("time"): > result = H["time"] > else : > result = '2001-01-01T00:00:00' > }] <<< in route: > Route(VaraExportItemTimer)[[From[quartz2://PS/VaraExport?cro... because of > expression must be specified > at > org.apache.camel.model.RouteDefinition.addRoutes(RouteDefinition.java:1072) > at > org.apache.camel.model.RouteDefinition.addRoutes(RouteDefinition.java:196) > at > org.apache.camel.impl.DefaultCamelContext.startRoute(DefaultCamelContext.java:974) > at > org.apache.camel.impl.DefaultCamelContext.startRouteDefinitions(DefaultCamelContext.java:3301) > at > org.apache.camel.impl.DefaultCamelContext.doStartCamel(DefaultCamelContext.java:3024) > at > org.apache.camel.impl.DefaultCamelContext.access$000(DefaultCamelContext.java:175) > at > org.apache.camel.impl.DefaultCamelContext$2.call(DefaultCamelContext.java:2854) > at > org.apache.camel.impl.DefaultCamelContext$2.call(DefaultCamelContext.java:2850) > at > org.apache.camel.impl.DefaultCamelContext.doWithDefinedClassLoader(DefaultCamelContext.java:2873) > at > org.apache.camel.impl.DefaultCamelContext.doStart(DefaultCamelContext.java:2850) > at > org.apache.camel.support.ServiceSupport.start(ServiceSupport.java:61) > at > org.apache.camel.impl.DefaultCamelContext.start(DefaultCamelContext.java:2819) > at > org.apache.camel.blueprint.BlueprintCamelContext.start(BlueprintCamelContext.java:185) > at > org.apache.camel.blueprint.BlueprintCamelContext.maybeStart(BlueprintCamelContext.java:217) > at > org.apache.camel.blueprint.BlueprintCamelContext.serviceChanged(BlueprintCamelContext.java:155) > at > org.apache.felix.framework.util.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:943) > at > org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:794) > at > org.apache.felix.framework.util.EventDispatcher.fireServiceEvent(EventDispatcher.java:544) > at > org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:4445) > at org.apache.felix.framework.Felix.registerService(Felix.java:3431) > at > org.apache.felix.framework.BundleContextImpl.registerService(BundleContextImpl.java:346) > at > org.apache.aries.blueprint.container.BlueprintContainerImpl.registerService(BlueprintContainerImpl.java:459) > at > org.apache.aries.blueprint.container.BlueprintContainerImpl.doRun(BlueprintContainerImpl.java:394) > at > org.apache.aries.blueprint.container.BlueprintContainerImpl.run(BlueprintContainerImpl.java:270) > at > org.apache.aries.blueprint.container.BlueprintExtender.createContainer(BlueprintExtender.java:294) > at > org.apache.aries.blueprint.container.BlueprintExtender.createContainer(BlueprintExtender.java:263) > at > org.apache.aries.blueprint.container.BlueprintExtender.modifiedBundle(BlueprintExtender.java:253) > at > org.apache.aries.util.tracker.hook.BundleHookBundleTracker$Tracked.customizerModified(BundleHookBundleTracker.java:500) > at > org.apache.aries.util.tracker.hook.BundleHookBundleTracker$Tracked.customizerModified(BundleHookBundleTracker.java:433) > at > org.apache.aries.util.tracker.hook.BundleHookBundleTracker$AbstractTracked.track(BundleHookBundleTracker.java:725) > at > org.apache.aries.util.tracker.hook.BundleHookBundleTracker$Tracked.bundleChanged(BundleHookBundleTracker.java:463) > at > org.apache.aries.util.tracker.hook.BundleHookBundleTracker$BundleEventHook.event(BundleHookBundleTracker.java:422) > at > org.apache.felix.framework.util.SecureAction.invokeBundleEventHook(SecureAction.java:1127) > at > org.apache.felix.framework.util.EventDispatcher.createWhitelistFromHooks(EventDispatcher.java:696) > at > org.apache.felix.framework.util.EventDispatcher.fireBundleEvent(EventDispatcher.java:484) > at org.apache.felix.framework.Felix.fireBundleEvent(Felix.java:4429) > at org.apache.felix.framework.Felix.startBundle(Felix.java:2100) > at org.apache.felix.framework.Felix.updateBundle(Felix.java:2412) > at org.apache.felix.framework.BundleImpl.update(BundleImpl.java:994) > at org.apache.felix.framework.BundleImpl.update(BundleImpl.java:981) > at > org.apache.karaf.util.bundles.BundleUtils.update(BundleUtils.java:43) > at > org.apache.karaf.util.bundles.BundleUtils.update(BundleUtils.java:36) > at > org.apache.karaf.shell.osgi.UpdateBundle.doExecute(UpdateBundle.java:37) > at > org.apache.karaf.shell.osgi.BundleCommand.doExecute(BundleCommand.java:41) > at > org.apache.karaf.shell.console.OsgiCommandSupport.execute(OsgiCommandSupport.java:38) > at > org.apache.felix.gogo.commands.basic.AbstractCommand.execute(AbstractCommand.java:35) > at sun.reflect.GeneratedMethodAccessor154.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)[:1.8.0_121] > at java.lang.reflect.Method.invoke(Method.java:498)[:1.8.0_121] > at > org.apache.aries.proxy.impl.ProxyHandler$1.invoke(ProxyHandler.java:54) > at > org.apache.aries.proxy.impl.ProxyHandler.invoke(ProxyHandler.java:119) > at > org.apache.karaf.shell.console.commands.$BlueprintCommand1994544654.execute(Unknown > Source)[18:org.apache.karaf.shell.console:2.4.0.redhat-630187] > at > org.apache.felix.gogo.runtime.CommandProxy.execute(CommandProxy.java:78)[18:org.apache.karaf.shell.console:2.4.0.redhat-630187] > at > org.apache.felix.gogo.runtime.Closure.executeCmd(Closure.java:477)[18:org.apache.karaf.shell.console:2.4.0.redhat-630187] > at > org.apache.felix.gogo.runtime.Closure.executeStatement(Closure.java:403)[18:org.apache.karaf.shell.console:2.4.0.redhat-630187] > at > org.apache.felix.gogo.runtime.Pipe.run(Pipe.java:108)[18:org.apache.karaf.shell.console:2.4.0.redhat-630187] > at > org.apache.felix.gogo.runtime.Closure.execute(Closure.java:183)[18:org.apache.karaf.shell.console:2.4.0.redhat-630187] > at > org.apache.felix.gogo.runtime.Closure.execute(Closure.java:120)[18:org.apache.karaf.shell.console:2.4.0.redhat-630187] > at > org.apache.felix.gogo.runtime.CommandSessionImpl.execute(CommandSessionImpl.java:92) > at > org.apache.karaf.shell.console.jline.Console.run(Console.java:197) > at > org.apache.karaf.shell.ssh.ShellFactoryImpl$ShellImpl$1.runConsole(ShellFactoryImpl.java:171)[32:org.apache.karaf.shell.ssh:2.4.0.redhat-630187] > at > org.apache.karaf.shell.ssh.ShellFactoryImpl$ShellImpl$1$1.run(ShellFactoryImpl.java:126) > at java.security.AccessController.doPrivileged(Native > Method)[:1.8.0_121] > at > org.apache.karaf.jaas.modules.JaasHelper.doAs(JaasHelper.java:47)[17:org.apache.karaf.jaas.modules:2.4.0.redhat-630187] > at > org.apache.karaf.shell.ssh.ShellFactoryImpl$ShellImpl$1.run(ShellFactoryImpl.java:124)[32:org.apache.karaf.shell.ssh:2.4.0.redhat-630187] > Caused by: java.lang.IllegalArgumentException: expression must be specified > at org.apache.camel.util.ObjectHelper.notNull(ObjectHelper.java:308) > at > org.apache.camel.processor.SetHeaderProcessor.<init>(SetHeaderProcessor.java:42) > at > org.apache.camel.model.SetHeaderDefinition.createProcessor(SetHeaderDefinition.java:76) > at > org.apache.camel.model.ProcessorDefinition.makeProcessorImpl(ProcessorDefinition.java:534) > at > org.apache.camel.model.ProcessorDefinition.makeProcessor(ProcessorDefinition.java:495) > at > org.apache.camel.model.ProcessorDefinition.addRoutes(ProcessorDefinition.java:219) > at > org.apache.camel.model.RouteDefinition.addRoutes(RouteDefinition.java:1069) > ... 64 more > > > > I tried different workarounds and I have camel-script added to features in > settings. Any hint on why I get this error and why camel is ignoring the > content of my python script tag? below also is snippet on how i embed python > script: > > ..... > <route id="VaraExportItemTimer"> > <from > uri="quartz2://PS/VaraExport?cron=0/30+*+*+*+*+?&stateful=true" /> > <setHeader headerName="previousTime"> > <python> > H = dict(line.strip().split('=') for line in > open('VaraExport.properties') if not line.startswith('#') and not > line.startswith('\n')) > if H.has_key("time"): > result = H["time"] > else : > result = '2001-01-01T00:00:00' > </python> > </setHeader> > ..... > > Thanks! > > > > -- > View this message in context: > http://camel.465427.n5.nabble.com/Using-Python-script-in-Camel-tp5796914.html > Sent from the Camel - Users mailing list archive at Nabble.com. -- Claus Ibsen ----------------- http://davsclaus.com @davsclaus Camel in Action 2: https://www.manning.com/ibsen2
