CQ 5.6.1 getWorkflowSession cause Uncaught Throwable java.lang.NullPointerException - session

at com.cuso.Mao.doGet(Mao.java:97)
at org.apache.sling.api.servlets.SlingSafeMethodsServlet.mayService(SlingSafeMethodsServlet.java:268)
at org.apache.sling.api.servlets.SlingSafeMethodsServlet.service(SlingSafeMethodsServlet.java:344)
at org.apache.sling.api.servlets.SlingSafeMethodsServlet.service(SlingSafeMethodsServlet.java:375)
at org.apache.sling.engine.impl.request.RequestData.service(RequestData.java:508)
at org.apache.sling.engine.impl.filter.SlingComponentFilterChain.render(SlingComponentFilterChain.java:45)
at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:64)
at com.day.cq.wcm.core.impl.WCMDebugFilter.doFilter(WCMDebugFilter.java:146)
at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
at com.day.cq.wcm.core.impl.WCMComponentFilter.filterRootInclude(WCMComponentFilter.java:356)
at com.day.cq.wcm.core.impl.WCMComponentFilter.doFilter(WCMComponentFilter.java:168)
at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
at com.day.cq.personalization.impl.TargetComponentFilter.doFilter(TargetComponentFilter.java:96)
at org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:60)
at org.apache.sling.engine.impl.SlingRequestProcessorImpl.processComponent(SlingRequestProcessorImpl.java:254)
line 97 is just calling the WorkflowSession wf = workflowServiceObject.getWorkflowSession(jcrsessionObject);
Should I use JACKRABBIT SESSION instead of jcrSession? Which one is right?

I was facing a similar situation.There is nothing wrong with the model node that you are passing.
Getting new workflowSession from workflowService was giving nullpointer so I had to get the workflowService inside my Activator using the getServiceReference way and have it assigned to a static variable in a utility class.Still I got:
and following was getting logged:-
Cannot read workflow model from node: /etc/workflow/models/deletecontent/jcr:content/model
And there was one more "session already closed" issue. For that I again made the resolverFactory a part of my utility class using which I could get administrativeResourceResolver in my servlet.

Related

Using UltimateThreadGroup with Java API gives Nullpointer exception

I am trying to use UltimateThreadGroup with the JMeter Java API, I am creating the UltimateThreadGroup object as in the below code[2] and add it to the Hashtree.
Finally handover it to the JMeter engine to execute. 
But It gives the following NullPointerException in the middle of execution. As I debugged the code, the Issue seems coming from JMeterThread class following method.
public JMeterThread(HashTree test, JMeterThreadMonitor monitor, ListenerNotifier note, Boolean isSameUserOnNextIteration)
But issue throws on different code lines from execution to execution. So it's difficult figure out what causing the NullPointer.
Does anybody have an idea on what's going on here? Appreciate your answers.
[1]
2020-11-03 13:08:20 DEBUG TestCompiler:273 - adding controller: kg.apc.jmeter.threads.UltimateThreadGroup#30b2b76f to sampler config
2020-11-03 13:08:22 ERROR JMeterThread:319 - Test failed!
java.lang.NullPointerException
at org.apache.jmeter.threads.AbstractThreadGroup.addTestElement(AbstractThreadGroup.java:122)
at org.apache.jmeter.threads.AbstractThreadGroup.addTestElementOnce(AbstractThreadGroup.java:131)
at org.apache.jmeter.threads.TestCompiler.subtractNode(TestCompiler.java:151)
at org.apache.jorphan.collections.HashTree.traverseInto(HashTree.java:997)
at org.apache.jorphan.collections.HashTree.traverseInto(HashTree.java:994)
at org.apache.jorphan.collections.HashTree.traverse(HashTree.java:976)
at org.apache.jmeter.threads.JMeterThread.initRun(JMeterThread.java:704)
at org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:252)
at java.lang.Thread.run(Thread.java:748)
[2]
UltimateThreadGroup ultimateThreadGroup = new UltimateThreadGroup();
ultimateThreadGroup.setName(threadGroupName);
ultimateThreadGroup.setProperty(AbstractThreadGroup.ON_SAMPLE_ERROR, AbstractThreadGroup.ON_SAMPLE_ERROR_CONTINUE);
PowerTableModel dataModel = new PowerTableModel(UltimateThreadGroupGui.columnIdentifiers, UltimateThreadGroupGui.columnClasses);
dataModel.addRow(new Integer[]{2, 4, 10, 60, 10});
dataModel.addRow(new Integer[]{3, 4, 10, 120, 10});
CollectionProperty prop = JMeterPluginsUtils.tableModelRowsToCollectionProperty(dataModel, UltimateThreadGroup.DATA_PROPERTY);
ultimateThreadGroup.setData(prop);
ultimateThreadGroup.setEnabled(setEnabled);
ultimateThreadGroup.setProperty(TestElement.TEST_CLASS, UltimateThreadGroup.class.getName());
ultimateThreadGroup.setProperty(TestElement.GUI_CLASS, UltimateThreadGroupGui.class.getName());
First you need to create a Loop Controller instance like:
LoopController loopController = new LoopController();
loopController.setLoops(1);
loopController.setFirst(true);
loopController.setProperty(TestElement.TEST_CLASS, LoopController.class.getName());
loopController.setProperty(TestElement.GUI_CLASS, LoopControlPanel.class.getName());
loopController.initialize();
Second you need to add the Loop Controller from the step 1 to your Ultimate Thread Group:
ultimateThreadGroup.setSamplerController(loopController);
More information:
Five Ways To Launch a JMeter Test without Using the JMeter GUI
jmeter-from-code
Going forward just compare the .jmx which you generate programatically with the one which is created by JMeter GUI, you will be able to see what fields, properties, etc. are missing

Getting Content is not allowed in prolog when running in Java

I am facing Content is not allowed in prolog exception when I run my xxx.jmx file from Java (Jmeter 5.0).
I tested the jmx in the GUI mode and everything works fine and in the Java I am just following the standard way to call the jmx file and execute it.
The jmx just have some normal stuff. Sending HTTP request and validate the expected and received XML (I am using this snipped to validate):
import org.apache.commons.io.FileUtils
expect = FileUtils.readFileToString(new File('some_path'))
XmlParser parser = new XmlParser()
expectedXML = new XmlSlurper().parseText(expect)
actualXML = new XmlSlurper().parseText(prev.getResponseDataAsString())
if (expectedXML != actualXML) {
AssertionResult.setFailure(true)
AssertionResult.setFailureMessage('Mismatch between expected and actual XML \n'+ prev.getResponseDataAsString())
and the stack trace:
2018/10/24 15:18:03,386 12675 [ERROR ] [Thread Group 1-1] (JSR223Assertion.java:52) – Problem in JSR223 script: Validate resposne
javax.script.ScriptException: org.xml.sax.SAXParseException; lineNumber: 1; columnNumber: 1; Content is not allowed in prolog.
at org.codehaus.groovy.jsr223.GroovyScriptEngineImpl.eval(GroovyScriptEngineImpl.java:320)
at org.codehaus.groovy.jsr223.GroovyCompiledScript.eval(GroovyCompiledScript.java:72)
at javax.script.CompiledScript.eval(CompiledScript.java:92)
at org.apache.jmeter.util.JSR223TestElement.processFileOrScript(JSR223TestElement.java:221)
at org.apache.jmeter.assertions.JSR223Assertion.getResult(JSR223Assertion.java:49)
at org.apache.jmeter.threads.JMeterThread.processAssertion(JMeterThread.java:901)
at org.apache.jmeter.threads.JMeterThread.checkAssertions(JMeterThread.java:892)
at org.apache.jmeter.threads.JMeterThread.executeSamplePackage(JMeterThread.java:565)
at org.apache.jmeter.threads.JMeterThread.processSampler(JMeterThread.java:486)
at org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:253)
at java.lang.Thread.run(Thread.java:745)
Caused by: org.xml.sax.SAXParseException; lineNumber: 1; columnNumber: 1; Content is not allowed in prolog.
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
at groovy.util.XmlSlurper.parse(XmlSlurper.java:207)
at groovy.util.XmlSlurper.parse(XmlSlurper.java:260)
at groovy.util.XmlSlurper.parseText(XmlSlurper.java:286)
at groovy.util.XmlSlurper$parseText.call(Unknown Source)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:113)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:125)
at Script1.run(Script1.groovy:9)
at org.codehaus.groovy.jsr223.GroovyScriptEngineImpl.eval(GroovyScriptEngineImpl.java:317)
... 10 more
UPDATE 1:
The problem of using Response Assertion is it cannot ignore the space or tab. So if the format is not exactly the same when I use equal will always fail. Any ideas how to ignore these things by using Response Assertion?
UPDATE 2:
I found out that the issue is not related to the BOM. Is becasue if I run the jmx from my Java application:
prev.getResponseDataAsString()
above function always return:
${__FileToString(${inputFilePath},,)}
but not the actual response. This function is come from the body data of the HTTP Request sampler!!!!!! If I give the acutal body there then I am able to run the jmx...... Any idea how to deal with this dynamic body data?
It might be the case your "expected" XML file contains BOM and it causes your code failure.
BOM is basically 3 first bytes so you can remove them using code like:
def expect = FileUtils.readFileToString(new File('some_path')).getBytes().flatten()
1.upto(3) {
expect.remove(0)
}
XmlParser parser = new XmlParser()
def expectedXML = parser.parseText(new String(expect.toArray(new Byte[0])))
The rest of your code should work fine.
Check out The Groovy Templates Cheat Sheet for JMeter article to learn more Groovy tips and tricks.
Also be informed that in majority of cases it's easier to use Response Assertion or when it comes to XML - XPath Assertion, Java code will work faster than Groovy in any case.

XML Parsing Error : AJAX Chat

I am just trying to plant AJAX Chat for my website users. I have successfully completed the installation process with database configuration. But when I am trying to brows the domain.com/ajaxchat/index.php its returning this error given below:
XML Parsing Error: junk after document element Location: http://futurenext.esy.es/inc/chat/ Line Number 2, Column 1:
I think that the problem is in AJAXChatTemplate.php , and here the code is:
function getContent() {
if(!$this->_content) {
$this->_content = AJAXChatFileSystem::getFileContents($this->_templateFile);
}
return $this->_content;
And the error message is like:
" Non-static method AJAXChatFileSystem::getFileContents() should not be called statically, assuming $this from incompatible context in line 37"
Now please any one can help me to fix the problem. What is the problem here I can't really understand. Thanks.

can not make xpath with functions work with JDOM2

I used JDOM1 before to parse xmls with xpath, and tired with the non-generic style, so I decide to try JDOM2, OK, everything works perfect for me ( the generic, XPathFactory, XPathExpression). then I try a xpath statement with contains function :
XPathExpression<Text> timeXpath = XPathFactory.instance().compile(
"./p[contains(.,'time:')]/text()", Filters.textOnly());
String time = timeXpath.evaluateFirst(div).getTextTrim();
then I got exeptions:
java.lang.IllegalStateException: Unable to evaluate expression. See cause
at org.jdom2.xpath.jaxen.JaxenCompiled.evaluateRawFirst(JaxenCompiled.java:200)
at org.jdom2.xpath.util.AbstractXPathCompiled.evaluateFirst(AbstractXPathCompiled.java:327)
at peace.org.tm.spider.star.DamaiStarSpider.syncStarTracks(DamaiStarSpider.java:123)
at peace.org.tm.spider.star.DamaiStarSpider.main(DamaiStarSpider.java:156)
Caused by: org.jaxen.UnresolvableException: Function :contains
at org.jaxen.SimpleFunctionContext.getFunction(SimpleFunctionContext.java:142)
at org.jaxen.ContextSupport.getFunction(ContextSupport.java:189)
at org.jaxen.Context.getFunction(Context.java:153)
at org.jaxen.expr.DefaultFunctionCallExpr.evaluate(DefaultFunctionCallExpr.java:183)
at org.jaxen.expr.DefaultPredicate.evaluate(DefaultPredicate.java:106)
at org.jaxen.expr.PredicateSet.evaluatePredicates(PredicateSet.java:188)
at org.jaxen.expr.DefaultLocationPath.evaluate(DefaultLocationPath.java:218)
then I tried:
XPathExpression<Text> timeXpath = XPathFactory.instance().compile(
"./p[fn:contains(.,'time:')]/text()", Filters.textOnly());
String time = timeXpath.evaluateFirst(div).getTextTrim();
xpath compile failed:
java.lang.IllegalArgumentException: Unable to compile './p[fn:contains(.,'time:')]/text()'. See Cause.
at org.jdom2.xpath.jaxen.JaxenCompiled.<init>(JaxenCompiled.java:152)
at org.jdom2.xpath.jaxen.JaxenXPathFactory.compile(JaxenXPathFactory.java:82)
at org.jdom2.xpath.XPathFactory.compile(XPathFactory.java:282)
at peace.org.tm.spider.star.DamaiStarSpider.syncStarTracks(DamaiStarSpider.java:91)
at peace.org.tm.spider.star.DamaiStarSpider.main(DamaiStarSpider.java:156)
Caused by: org.jaxen.XPathSyntaxException: Unexpected '('
at org.jaxen.BaseXPath.<init>(BaseXPath.java:136)
at org.jaxen.BaseXPath.<init>(BaseXPath.java:157)
at org.jdom2.xpath.jaxen.JaxenCompiled.<init>(JaxenCompiled.java:150)
... 4 more
I already google the stack trace for about 2 hours, nothing useful founded, I think maybe I made a very stupid mistake, is anyone can figure it out for me? thanks!
I can't reproduce the exceptions you are getting.... I am using JDOM 2.0.5 with Jaxen 1.1.6.
I have created the following:
public static void main(String[] args) {
Element root = new Element ("root");
Element p = new Element("p");
p.addContent(" Return this time: Boo! ");
root.addContent(p);
XPathExpression<Text> timeXpath = XPathFactory.instance().compile(
"./p[contains(.,'time:')]/text()", Filters.textOnly());
XPathDiagnostic<Text> xpd = timeXpath.diagnose(root, true);
System.out.println(xpd);
System.out.println(timeXpath.evaluateFirst(root).getTextTrim());
}
and it produces:
[XPathDiagnostic: './p[contains(.,'time:')]/text()' evaluated (first) against org.jdom2.Element produced raw=1 discarded=0 returned=1]
Return this time: Boo!
I believe you may have out-of-date Jaxen class libraries?

web services calling error in flex

When i call web services, i got below mentioned error
[FaultEvent fault=[RPC Fault faultString="Error #1098: Illegal prefix ns0 for no namespace." faultCode="EncodingError" faultDetail="null"] messageId=null type="fault" bubbles=false cancelable=true eventPhase=2]
<mx:WebService id="myWebService1" wsdl="URL">
<mx:operation name="loginservice" result="getMonths_result(event);" fault="getMonths_fault(event);">
</mx:operation>
</mx:WebService>
I know nothing about flex4 but it seems that there is a XML document somewere wich has prefixed elements (<ns0:Element>) but it has not a defined namespace (xmlns:ns0 = "URI").
OR
There is not an URI in the namespace definition (xmlns:ns0 = "")

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