On 24/07/2009, Noel O'Brien <[email protected]> wrote: > Hi, > > Does the XPath Extractor have the ability to set up multiple variables just > like the regex retractor (XXX_1, XXX_2, XXX_matchNo)?
Yes, see just after the Parameters table in: http://jakarta.apache.org/jmeter/usermanual/component_reference.html#XPath_Extractor > I've played around with it some more, I removed saxon jar files I had in the > Sun6 jre/lib/ext folder and from JMeter's lib folder. > > Now the java spike runs fime from Jedit console and from the system command > line. I also tweaked the java program to make it into beanshell and it runs > ok in standalone beanshell from the system command line What happens if you add all the jars in the JMeter lib/ directory to the classpath? > Now when I run it from JMeter (saxon jars removed from lib folder), the > following error is showing up in the log file: > > 2009/07/24 12:21:16 INFO - jmeter.util.BeanShellTestElement: Starting > /home/nobrien/projects/newbay/main/sng/sng-acceptance-tests/test/jmeter/data/scripts/ExtractOrderedEntries.bsh > 2009/07/24 12:21:16 DEBUG - jmeter.util.BeanShellTestElement: Parameters: > 2009/07/24 12:21:16 ERROR - jmeter.util.BeanShellInterpreter: Error invoking > bsh method: source Sourced file: > /home/nobrien/projects/newbay/main/sng/sng-acceptance-tests/test/jmeter/data/scripts/ExtractOrderedEntries.bsh > : Typed variable declaration : Class: XPathFactoryImpl not found in namespace Probably a clash of XML parsers. Can you send me ExtractOrderedEntries.bsh privately? > 2009/07/24 12:21:16 WARN - jmeter.extractor.BeanShellPostProcessor: Problem > in BeanShell script org.apache.jorphan.util.JMeterException: Error invoking > bsh method: source Sourced file: > /home/nobrien/projects/newbay/main/sng/sng-acceptance-tests/test/jmeter/data/scripts/ExtractOrderedEntries.bsh > : Typed variable declaration : Class: XPathFactoryImpl not found in namespace > > Looks like it can't find a XPathFactoryImpl class in the classpath. From the > standalone beanshell and java app now run from the system command line, the > following classes are used to successfully execute the XPaths: > > >>>>>>>>>>>>>>>>>>>> > > nobr...@olympia:~/sandbox/Java/XPath$ beanshell XPathDemo.bsh > > DocumentBuilderFactory: > com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderFactoryImpl > DocumentBuilder: com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl > Document: com.sun.org.apache.xerces.internal.dom.DeferredDocumentImpl > XPathFactory: com.sun.org.apache.xpath.internal.jaxp.XPathFactoryImpl > XPath: com.sun.org.apache.xpath.internal.jaxp.XPathImpl > XPathExpression: com.sun.org.apache.xpath.internal.jaxp.XPathExpressionImpl > NodeList: com.sun.org.apache.xml.internal.dtm.ref.DTMNodeList > > updatedNodes: 22 > displayNameNodes: 22 > statusNodes: 22 > snsNodes: 22 > > >>>>>>>>>>>>>>>>>>>> > > Looks like when JMeter runs it somehow is not able to find > com.sun.org.apache.xpath.internal.jaxp.XPathFactoryImpl ?? > > FWIW, here's the JARS that are in JMETER/lib: > > nobr...@olympia:/usr/local/jmeter/bin$ l ../lib/ > total 16316 > -rw-r--r-- 1 nobrien nobrien 72851 2008-06-10 01:26 > avalon-framework-4.1.4.jar > -rw-r--r-- 1 nobrien nobrien 369001 2008-06-10 01:26 batik-awt-util-1.6.jar > -rw-r--r-- 1 nobrien nobrien 1178641 2009-02-27 16:38 bcprov-jdk15-130.jar > -rw-r--r-- 1 nobrien nobrien 113369 2008-06-10 01:26 bsf-2.4.0.jar > -rw-r--r-- 1 nobrien nobrien 8585 2008-06-10 01:31 bshclient.jar > -rw-r--r-- 1 nobrien nobrien 32887 2009-02-27 16:38 bsh-commands-2.0b4.jar > -rw-r--r-- 1 nobrien nobrien 143992 2009-02-27 16:38 bsh-core-2.0b4.jar > -rw-r--r-- 1 nobrien nobrien 46725 2008-06-10 01:26 commons-codec-1.3.jar > -rw-r--r-- 1 nobrien nobrien 571259 2008-06-10 01:26 > commons-collections-3.2.jar > -rw-r--r-- 1 nobrien nobrien 305001 2008-06-10 01:26 > commons-httpclient-3.1.jar > -rw-r--r-- 1 nobrien nobrien 109043 2008-06-10 01:26 commons-io-1.4.jar > -rw-r--r-- 1 nobrien nobrien 132165 2008-06-10 01:26 commons-jexl-1.1.jar > -rw-r--r-- 1 nobrien nobrien 261809 2008-06-10 01:26 commons-lang-2.4.jar > -rw-r--r-- 1 nobrien nobrien 60841 2008-06-10 01:26 commons-logging-1.1.1.jar > -rw-r--r-- 1 nobrien nobrien 180792 2008-06-10 01:26 commons-net-1.4.1.jar > -rw-r--r-- 1 nobrien nobrien 56089 2008-06-10 01:26 > excalibur-datasource-1.1.1.jar > -rw-r--r-- 1 nobrien nobrien 17669 2008-06-10 01:26 > excalibur-instrument-1.0.jar > -rw-r--r-- 1 nobrien nobrien 76725 2008-06-10 01:26 excalibur-logger-1.1.jar > -rw-r--r-- 1 nobrien nobrien 44462 2008-06-10 01:26 excalibur-pool-1.2.jar > drwxr-xr-x 2 nobrien nobrien 4096 2009-02-27 16:39 ext > -rw-r--r-- 1 nobrien nobrien 71952 2008-06-10 01:26 > htmllexer-2.0-20060923.jar > -rw-r--r-- 1 nobrien nobrien 138838 2008-06-10 01:26 > htmlparser-2.0-20060923.jar > -rw-r--r-- 1 nobrien nobrien 65261 2008-06-10 01:26 jakarta-oro-2.0.8.jar > -rw-r--r-- 1 nobrien nobrien 1115193 2009-02-27 16:38 javaee.jar > -rw-r--r-- 1 nobrien nobrien 142391 2008-06-10 01:26 jCharts-0.7.5.jar > -rw-r--r-- 1 nobrien nobrien 153253 2008-06-10 01:26 jdom-1.0.jar > -rw-r--r-- 1 nobrien nobrien 98496 2009-02-27 16:38 jndi.jar > -rw-r--r-- 1 nobrien nobrien 94535 2008-06-10 01:31 jorphan.jar > -rw-r--r-- 1 nobrien nobrien 708951 2008-06-10 01:26 js_rhino1_6R5.jar > drwxr-xr-x 2 nobrien nobrien 4096 2009-02-27 12:01 junit > -rw-r--r-- 1 nobrien nobrien 120640 2008-06-10 01:26 junit3.8.2.jar > -rw-r--r-- 1 nobrien nobrien 86165 2008-06-10 01:26 logkit-1.2.jar > -rw-r--r-- 1 nobrien nobrien 703265 2009-04-16 15:29 > mysql-connector-java-5.1.6-bin.jar > -rw-r--r-- 1 nobrien nobrien 1545954 2009-04-17 16:01 ojdbc14.jar > -rw-r--r-- 1 nobrien nobrien 278286 2008-06-10 01:26 serializer-2_9_1.jar > -rw-r--r-- 1 nobrien nobrien 232498 2008-06-10 01:26 soap.jar > -rw-r--r-- 1 nobrien nobrien 1902027 2009-02-27 16:38 swiftmq.jar > -rw-r--r-- 1 nobrien nobrien 192042 2008-06-10 01:26 Tidy.jar > -rw-r--r-- 1 nobrien nobrien 3176148 2008-06-10 01:26 xalan_2_7_1.jar > -rw-r--r-- 1 nobrien nobrien 1229289 2008-06-10 01:26 xercesImpl-2_9_1.jar > -rw-r--r-- 1 nobrien nobrien 194354 2008-06-10 01:26 xml-apis-2_9_1.jar > -rw-r--r-- 1 nobrien nobrien 24956 2008-06-10 01:26 xpp3_min-1.1.4c.jar > -rw-r--r-- 1 nobrien nobrien 411090 2008-06-10 01:26 xstream-1.3.jar > > > Regards, > Noel > > ----- "sebb" <[email protected]> wrote: > > On 24/07/2009, Noel O'Brien <[email protected]> wrote: > > > Hi, > > > > > > There are no errors in the jmeter log, only info logged by the script: > > > > > > 2009/07/24 10:52:23 INFO - jmeter.util.BeanShellTestElement: Starting > /home/nobrien/projects/newbay/main/sng/sng-acceptance-tests/test/jmeter/data/scripts/ExtractOrderedEntries.bsh > > > 2009/07/24 10:52:23 DEBUG - jmeter.util.BeanShellTestElement: Parameters: > > > 2009/07/24 10:52:24 INFO - jmeter.util.BeanShellTestElement: Finished > /home/nobrien/projects/newbay/main/sng/sng-acceptance-tests/test/jmeter/data/scripts/ExtractOrderedEntries.bsh > (341ms) > > > > > > However I was playing around and think I may have a lead. I developed > the spike script in JEdit and used it's built-in console for running it (this > is where everything worked). I discovered though that JEdit seems to be using > a different version of Java: > > > > > > In JEdit Console: > > > > > > /home/nobrien/sandbox/Java/XPath> java -version > > > java version "1.6.0_0" > > > OpenJDK Runtime Environment (IcedTea6 1.4.1) (6b14-1.4.1-0ubuntu10) > > > OpenJDK Server VM (build 14.0-b08, mixed mode) > > > Process java exited with code 0 > > > > > > In system console: > > > > > > nobr...@olympia:~/sandbox/Java/XPath$ java -version > > > java version "1.6.0_12" > > > Java(TM) SE Runtime Environment (build 1.6.0_12-b04) > > > Java HotSpot(TM) Server VM (build 11.2-b01, mixed mode) > > > > > > Strangely, the XPath expressions successfully match nodes when the > program is run from the IcedTea6 JVM but match nothing when run from the Sun > 6 JVM. JMeter is run using the Sun 6 JVM which would explain why the > beanshell in my JMeter plan is nbot matching anything either. > > > > > > I'm not really sure where to go from here: is it a classpath issue or > perhaps a bug in the Sun6 JDK? Does anyone have any suggestions on what to > try? > > > > Does XPath Extractor work OK if used to extract one set of nodes (add > > a Debug Sampler to show the variables it sets up)? > > If so, you could use 4 of them and then process the variables using > BeanShell. > > > > Or you could extract the code and use it in BeanShell. > > > > Note that you can also run BeanShell in stand-alone mode for testing. > > > > > Regards, > > > Noel > > > > > > > > > ----- "sebb" <[email protected]> wrote: > > > > Check jmeter log file for errors from BeanShell. > > > > > > > > Are you seeing the final log message from the BeanShell script? > > > > > > > > On 22/07/2009, Noel O'Brien <[email protected]> wrote: > > > > > Hi, > > > > > > > > > > I have to extract an correlate many values from an XML feed. I then > need to sort the entries, store them, and compare them against subsequent > feeds. > > > > > > > > > > Given the complexity of the task, I decided to do it with a > Beanshell Post-Processor. I first spiked the code in Java and everything > worked. However when I moved it into JMeter/Beanshell, the evaluation of the > XPath expressions always returns 0 nodes. Making the Document namespace-aware > makes no difference. The document parses fine, and printing out "new > String(data, "UTF-8")" displays the correct data returned by the sampler. > > > > > > > > > > Can anyone think of any reasons why this could be happening? > > > > > > > > > > Here's the code: > > > > > > > > > > >>>>>>>>>>>>>>>>>>>> > > > > > > > > > > import org.w3c.dom.*; > > > > > import javax.xml.xpath.*; > > > > > import javax.xml.parsers.*; > > > > > import java.io.*; > > > > > import java.nio.*; > > > > > import java.nio.channels.*; > > > > > import org.xml.sax.*; > > > > > > > > > > > > > > > log.info("Starting "+getSourceFileInfo()); > > > > > log.debug("Parameters: " + Parameters); > > > > > startTime = System.currentTimeMillis(); > > > > > > > > > > params = Parameters.split("\\|"); > > > > > > > > > > sns = params[0]; > > > > > > > > > > // Method for retrieving Node text value > > > > > public static String getNodeValue(Node node) > > > > > { > > > > > if(!node.hasChildNodes()) return ""; > > > > > else return node.getFirstChild().getNodeValue(); > > > > > } > > > > > > > > > > // Build XML document from the response > > > > > DocumentBuilderFactory domFactory = > DocumentBuilderFactory.newInstance(); > > > > > domFactory.setNamespaceAware(false); > > > > > DocumentBuilder builder = domFactory.newDocumentBuilder(); > > > > > InputSource inStream = new InputSource(); > > > > > inStream.setCharacterStream(new StringReader(new String(data, > "UTF-8"))); > > > > > Document doc = builder.parse(inStream); > > > > > XPath xpath = XPathFactory.newInstance().newXPath(); > > > > > > > > > > > > > > > // Create XPath Expressions > > > > > XPathExpression updatedExpr = xpath.compile("/feed/entry/updated"); > > > > > XPathExpression displayNameExpr = > xpath.compile("/feed/entry/author/name"); > > > > > XPathExpression statusExpr = xpath.compile("/feed/entry/summary"); > > > > > XPathExpression snsExpr = > xpath.compile("/feed/entry/source/author/name"); > > > > > > > > > > // Evaluate XPath Expressions > > > > > NodeList updatedNodes = (NodeList)updatedExpr.evaluate(doc, > XPathConstants.NODESET); > > > > > NodeList displayNameNodes = (NodeList)displayNameExpr.evaluate(doc, > XPathConstants.NODESET); > > > > > NodeList statusNodes = (NodeList)statusExpr.evaluate(doc, > XPathConstants.NODESET); > > > > > NodeList snsNodes = (NodeList)snsExpr.evaluate(doc, > XPathConstants.NODESET); > > > > > > > > > > System.out.println("updatedNodes: "+updatedNodes.getLength()); > > > > > System.out.println("displayNameNodes: > "+displayNameNodes.getLength()); > > > > > System.out.println("statusNodes: "+statusNodes.getLength()); > > > > > System.out.println("snsNodes: "+snsNodes.getLength()); > > > > > > > > > > // Create data types > > > > > /* HashSet<List> set = new HashSet<List>(); > > > > > TreeMap<Date, HashSet<List>> tree = new TreeMap<Date, > HashSet<List>>();*/ > > > > > > > > > > // Put values in data structure > > > > > for(int i =0; i < updatedNodes.getLength(); i++) > > > > > { > > > > > String u = getNodeValue(updatedNodes.item(i)); > > > > > String d = getNodeValue(displayNameNodes.item(i)); > > > > > String s1 = getNodeValue(statusNodes.item(i)); > > > > > String s2 = getNodeValue(snsNodes.item(i)); > > > > > > > > > > // do more stuff > > > > > } > > > > > > > > > > > > > > > // Store tree in Object variable > > > > > //vars.putObject("individual.friends.statuses.tree", tree); > > > > > > > > > > finishTime = System.currentTimeMillis(); > > > > > log.info("Finished "+getSourceFileInfo()+" (" + > (finishTime-startTime) + "ms)"); > > > > > > > > > > <<<<<<<<<<<<<<<<<<<< > > > > > > > > > > JMeter: 2.3.2 > > > > > Java 1.6.0_12 > > > > > OS: Linux > > > > > > > > > > Regards, > > > > > > > > > > Noel > > > > > > > > > > > > > > > > --------------------------------------------------------------------- > > > > To unsubscribe, e-mail: [email protected] > > > > For additional commands, e-mail: [email protected] > > > > > > > > > > > > > --------------------------------------------------------------------- > > > To unsubscribe, e-mail: [email protected] > > For additional commands, e-mail: [email protected] > > > > --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
