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JavaScript API debugging

jonathanscorner
Champ in-the-making
Champ in-the-making

‎11-28-2007 12:42 PM

I tried to make a script to make a set of directories and set permissions on them. I followed the API steps, or tried to, but nothing seemed to happen. Then I realized that I knew how to write some JavaScript, but not how to intelligently debug it–I know a couple of client-side tricks, but I can't make a client-side popup to display information.

How do people intelligently debug JavaScript that uses the API? Is it through the debugger briefly mentioned, or something else?

Thanks,
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10 REPLIES 10

davidc
Star Contributor
Star Contributor

‎11-28-2007 01:16 PM

The debugger is probably easiest - see http://wiki.alfresco.com/wiki/JavaScript_API#Alfresco_Javascript_Debugger

You can also add log statements to your js - see http://wiki.alfresco.com/wiki/JavaScript_API#Logging_API
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jonathanscorner
Champ in-the-making
Champ in-the-making

‎11-28-2007 02:35 PM

The debugger is probably easiest - see http://wiki.alfresco.com/wiki/JavaScript_API#Alfresco_Javascript_Debugger

You can also add log statements to your js - see http://wiki.alfresco.com/wiki/JavaScript_API#Logging_API

I was able to turn on the debugger, and when I repeated the interaction, I got:

Please correct the errors below then click OK.
* A system error happened during the operation: Unknown Exception in Transaction.‍‍

I think I may be able to get somewhere with the logging API, but is the debugger supposed to give a catchall exception? I was expecting something more descriptive…
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jonathanscorner
Champ in-the-making
Champ in-the-making

‎11-28-2007 03:10 PM

P.S.

I added logging statements; the first statement is a log call. But the alfresco.log has none of the log messages. The closest I found to a diagnostic was:

13:58:22,033 ERROR [org.alfresco.web.ui.common.Utils] A system error happened during the operation: Unknown Exception in Transaction.
org.alfresco.error.AlfrescoRuntimeException: Unknown Exception in Transaction.
        at org.alfresco.repo.transaction.RetryingTransactionHelper.doInTransaction(RetryingTransactionHelper.java:292)
        at org.alfresco.repo.transaction.RetryingTransactionHelper.doInTransaction(RetryingTransactionHelper.java:155)
        at org.alfresco.web.bean.dialog.BaseDialogBean.finish(BaseDialogBean.java:124)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at org.apache.myfaces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:132)
        at org.apache.myfaces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:61)
        at javax.faces.component.UICommand.broadcast(UICommand.java:109)
        at javax.faces.component.UIViewRoot._broadcastForPhase(UIViewRoot.java:97)
        at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:171)
        at org.apache.myfaces.lifecycle.InvokeApplicationExecutor.execute(InvokeApplicationExecutor.java:32)
        at org.apache.myfaces.lifecycle.LifecycleImpl.executePhase(LifecycleImpl.java:95)
        at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:70)
        at javax.faces.webapp.FacesServlet.service(FacesServlet.java:139)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
        at org.alfresco.web.app.servlet.AuthenticationFilter.doFilter(AuthenticationFilter.java:81)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:210)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:870)
        at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
        at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
        at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:685)
        at java.lang.Thread.run(Thread.java:595)
        at org.alfresco.util.transaction.SpringAwareUserTransaction.commit(SpringAwareUserTransaction.java:430)
        at org.alfresco.repo.transaction.RetryingTransactionHelper.doInTransaction(RetryingTransactionHelper.java:239)
        … 32 more
        at org.alfresco.repo.processor.ScriptServiceImpl.executeScript(ScriptServiceImpl.java:171)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:281)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:187)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:154)
        at org.alfresco.repo.security.permissions.impl.AlwaysProceedMethodInterceptor.invoke(AlwaysProceedMethodInterceptor.java:40)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:176)
        at org.alfresco.repo.security.permissions.impl.ExceptionTranslatorMethodInterceptor.invoke(ExceptionTranslatorMethodInterceptor.java:49)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:176)
        at org.alfresco.repo.audit.AuditComponentImpl.audit(AuditComponentImpl.java:238)
        at org.alfresco.repo.audit.AuditMethodInterceptor.invoke(AuditMethodInterceptor.java:69)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:176)
        at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:107)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:176)
        at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:210)
        at $Proxy48.executeScript(Unknown Source)
        at org.alfresco.repo.action.executer.ScriptActionExecuter.executeImpl(ScriptActionExecuter.java:157)
        at org.alfresco.repo.action.executer.ActionExecuterAbstractBase.execute(ActionExecuterAbstractBase.java:120)
        at org.alfresco.repo.action.ActionServiceImpl.directActionExecution(ActionServiceImpl.java:537)
        at org.alfresco.repo.action.executer.CompositeActionExecuter.executeImpl(CompositeActionExecuter.java:72)
        at org.alfresco.repo.action.executer.ActionExecuterAbstractBase.execute(ActionExecuterAbstractBase.java:120)
        at org.alfresco.repo.action.ActionServiceImpl.directActionExecution(ActionServiceImpl.java:537)
        at org.alfresco.repo.action.ActionServiceImpl.executeActionImpl(ActionServiceImpl.java:472)
        at org.alfresco.repo.action.ActionServiceImpl.executeAction(ActionServiceImpl.java:399)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:281)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:187)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:154)
        at org.alfresco.repo.security.permissions.impl.AlwaysProceedMethodInterceptor.invoke(AlwaysProceedMethodInterceptor.java:40)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:176)
        at org.alfresco.repo.security.permissions.impl.ExceptionTranslatorMethodInterceptor.invoke(ExceptionTranslatorMethodInterceptor.java:49)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:176)
        at org.alfresco.repo.audit.AuditComponentImpl.auditImpl(AuditComponentImpl.java:256)
        at org.alfresco.repo.audit.AuditComponentImpl.audit(AuditComponentImpl.java:191)
        at org.alfresco.repo.audit.AuditMethodInterceptor.invoke(AuditMethodInterceptor.java:69)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:176)
        at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:107)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:176)
        at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:210)
        at $Proxy19.executeAction(Unknown Source)
        at org.alfresco.repo.rule.RuleServiceImpl.executeRule(RuleServiceImpl.java:918)
        at org.alfresco.repo.rule.RuleServiceImpl.executePendingRule(RuleServiceImpl.java:886)
        at org.alfresco.repo.rule.RuleServiceImpl.executePendingRulesImpl(RuleServiceImpl.java:857)
        at org.alfresco.repo.rule.RuleServiceImpl.executePendingRules(RuleServiceImpl.java:830)
        at org.alfresco.repo.rule.RuleTransactionListener.beforeCommit(RuleTransactionListener.java:69)
        at org.alfresco.repo.transaction.AlfrescoTransactionSupport$TransactionSynchronizationImpl.beforeCommit(AlfrescoTransactionSupport.java:626)
        at org.springframework.transaction.support.TransactionSynchronizationUtils.triggerBeforeCommit(TransactionSynchronizationUtils.java:48)
        at org.springframework.transaction.support.AbstractPlatformTransactionManager.triggerBeforeCommit(AbstractPlatformTransactionManager.java:821)
        at org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:637)
        at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:624)
        at org.springframework.transaction.interceptor.TransactionAspectSupport.commitTransactionAfterReturning(TransactionAspectSupport.java:307)
        at org.alfresco.util.transaction.SpringAwareUserTransaction.commit(SpringAwareUserTransaction.java:420)
        … 33 more
Caused by: org.alfresco.service.cmr.repository.ScriptException: Failed to execute script 'workspace://SpacesStore/39978960-9deb-11dc-9af1-b535eafe6daa': missing ) after formal parameters (AlfrescoScript#18)
        at org.alfresco.repo.jscript.RhinoScriptProcessor.execute(RhinoScriptProcessor.java:146)
        at org.alfresco.repo.processor.ScriptServiceImpl.executeScript(ScriptServiceImpl.java:167)
        … 90 more
Caused by: org.alfresco.error.AlfrescoRuntimeException: missing ) after formal parameters (AlfrescoScript#18)
        at org.alfresco.repo.jscript.RhinoScriptProcessor.executeScriptImpl(RhinoScriptProcessor.java:518)
        at org.alfresco.repo.jscript.RhinoScriptProcessor.execute(RhinoScriptProcessor.java:142)
        … 91 more
Caused by: org.mozilla.javascript.EvaluatorException: missing ) after formal parameters (AlfrescoScript#18)
        at org.mozilla.javascript.DefaultErrorReporter.runtimeError(DefaultErrorReporter.java:95)
        at org.mozilla.javascript.DefaultErrorReporter.error(DefaultErrorReporter.java:82)
        at org.mozilla.javascript.Parser.addError(Parser.java:123)
        at org.mozilla.javascript.Parser.reportError(Parser.java:129)
        at org.mozilla.javascript.Parser.mustMatchToken(Parser.java:215)
        at org.mozilla.javascript.Parser.function(Parser.java:514)
        at org.mozilla.javascript.Parser.parse(Parser.java:345)
        at org.mozilla.javascript.Parser.parse(Parser.java:290)
        at org.mozilla.javascript.Context.compileImpl(Context.java:2250)
        at org.mozilla.javascript.Context.compileString(Context.java:1296)
        at org.mozilla.javascript.Context.compileString(Context.java:1285)
        at org.mozilla.javascript.Context.evaluateString(Context.java:1141)
        at org.alfresco.repo.jscript.RhinoScriptProcessor.executeScriptImpl(RhinoScriptProcessor.java:510)
        … 92 more‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍

It seems to be complaining about a missing right parenthesis, but I can't find that with my editor; line 18, the one line number mentioned, has one open parenthesis followed by one closed parenthesis.
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jonathanscorner
Champ in-the-making
Champ in-the-making

‎11-28-2007 04:09 PM

After trying this, I was asked to log in again, and I can no longer log in as admin/admin, or as an un-privileged user.

Suggested fixes?
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jonathanscorner
Champ in-the-making
Champ in-the-making

‎11-28-2007 04:15 PM

(After a restartSmiley Happy

I get a Tomcat 404 when viewing /alfresco/ .
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mikeh
Star Contributor
Star Contributor

‎11-28-2007 04:50 PM

When you say "restart" do you mean reboot, or restart Tomcat/Alfresco?

In either case, the alfresco.log file should indicate if there's a problem.

Thanks,
Mike
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jonathanscorner
Champ in-the-making
Champ in-the-making

‎11-28-2007 04:56 PM

When you say "restart" do you mean reboot, or restart Tomcat/Alfresco?

Restarting Alfresco. The immediate (i.e. unserviceable) problem stopped manifesting after rebooting the computer.
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jonathanscorner
Champ in-the-making
Champ in-the-making

‎11-28-2007 05:33 PM

I have the variable company_children equal to companyhome.children, described in the API as 'a readonly JavaScript Array of the child nodes.' The debugger suggests it is a folder or some other object that is not a JavaScript Array:

company_children   Node Type: {http://www.alfresco.org/model/content/1.0}folder, Node Aspects: [{http://www.alfresco.org/model/content/1.0}auditable, {http://www.alfresco.org/model/application/1.0}uifacets, {http://www.alfresco.org/model/system/1.0}referenceable],Node Type: {http://www.alfresco.org/model/content/1.0}folder, Node Aspects: [{http://www.alfresco.org/model/content/1.0}auditable, {http://www.alfresco.org/model/application/1.0}uifacets, {http://www.alfresco.org/model/system/1.0}referenceable],Node Type: {http://www.alfresco.org/model/content/1.0}folder, Node Aspects: [{http://www.alfresco.org/model/content/1.0}auditable, {http://www.alfresco.org/model/system/1.0}referenceable, {http://www.alfresco.org/model/application/1.0}uifacets, {http://www.alfresco.org/model/content/1.0}ownable],Node Type: {http://www.alfresco.org/model/content/1.0}folder, Node Aspects: [{http://www.alfresco.org/model/content/1.0}auditable, {http://www.alfresco.org/model/system/1.0}referenceable, {http://www.alfresco.org/model/application/1.0}uifacets, {http://www.alfresco.org/model/rule/1.0}rules]

How can I get a JavaScript array of children to a given node, such as companyhome?
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mikeh
Star Contributor
Star Contributor

‎11-28-2007 06:47 PM

That's actually the debugger's way of outputting the array of Nodes which you've got hold of. You've got 4 ScriptNodes in an array there - company_children.length should return 4. Further, company_children[0].name will give you the name of the first Node returned - possibly the Data Dictionary space.

See http://wiki.alfresco.com/wiki/JavaScript_API#ScriptNode_API for how to access and manipulate Nodes.

There are some examples of this towards the bottom of the wiki page.

Thanks,
Mike
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