Dear Marc I will try this way. Thank you for your help. Your are so helpful. Regrads Echo
在 2017年11月14日星期二 UTC+8下午2:05:34，Echo Zhang写道： > > Hi,All. > I am using ant to invoke Jacoco in my project. when i use the on-the-fly, > it's OK. But when i use the Offline Instrumentation, i will getting the > following error. All the jar are present in the lib/ folder. I have been > confused several days. > Buildfile: E:\Jacoco\build.xml > clean: > [delete] Deleting directory E:\Jacoco\target > compile: > [mkdir] Created dir: E:\Jacoco\target\classes > [javac] Compiling 2 source files to E:\Jacoco\target\classes > instrument: > [jacoco:instrument] Instrumented 2 classes to E:\Jacoco\target\classes- > instr > test: > [java] Exception in thread "main" java.lang.NoClassDefFoundError: > $jacoco/runtime/package/name$/Offline > [java] at HelloTest.$jacocoInit(HelloTest.java) > [java] at HelloTest.main(HelloTest.java) > [java] Caused by: java.lang.ClassNotFoundException: $jacoco.runtime. > package.name$.Offline > [java] at java.net.URLClassLoader.findClass(URLClassLoader.java:381) > [java] at java.lang.ClassLoader.loadClass(ClassLoader.java:424) > [java] at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java: > 331) > [java] at java.lang.ClassLoader.loadClass(ClassLoader.java:357) > [java] ... 2 more > [java] Java Result: 1 > report: > [jacoco:report] Loading execution data file E:\Jacoco\target\jacoco.exec > > > BUILD FAILED > E:\Jacoco\build.xml:73: Unable to read execution data file E:\Jacoco\ > target\jacoco.exec > > > Total time: 781 milliseconds > My build.xml is following. > <?xml version="1.0" encoding="UTF-8"?> > > > <!-- > Copyright (c) 2009, 2017 Mountainminds GmbH & Co. KG and Contributors > All rights reserved. This program and the accompanying materials > are made available under the terms of the Eclipse Public License v1.0 > which accompanies this distribution, and is available at > http://www.eclipse.org/legal/epl-v10.html > > Contributors: > Marc R. Hoffmann - initial API and implementation > --> > <!-- offline--> > <project name="Example Ant Build with JaCoCo Offline Instrumentation" > default="rebuild" xmlns:jacoco="antlib:org.jacoco.ant"> > > <description> > Example Ant build file that demonstrates how JaCoCo can be used with > offline instrumentation. This requires preprocessing of the class files > before the test is launched and adding the JaCoCo agent to the > classpath. > </description> > > > <property name="src.dir" location="./src" /> > <property name="result.dir" location="./target" /> > <property name="result.classes.dir" location="${result.dir}/classes" /> > <property name="result.classes.instr.dir" location="${result.dir}/classes > -instr" /> > <property name="result.report.dir" location="${result.dir}/site/jacoco" > /> > <property name="result.exec.file" location="${result.dir}/jacoco.exec" /> > > > <!-- Step 1: Import JaCoCo Ant tasks --> > <taskdef uri="antlib:org.jacoco.ant" resource="org/jacoco/ant/antlib.xml > "> > <classpath path="./lib/jacocoant.jar" /> > </taskdef> > > > <target name="clean"> > <delete dir="${result.dir}" /> > </target> > > > <target name="compile"> > <mkdir dir="${result.classes.dir}" /> > <javac srcdir="${src.dir}" destdir="${result.classes.dir}" debug="true" > includeantruntime="false" /> > </target> > > > <target name="instrument" depends="compile"> > <!-- Step 2: Instrument class files --> > <!-- jacoco:instrument见antlib.xml定义--> > <jacoco:instrument destdir="${result.classes.instr.dir}"> > <fileset dir="${result.classes.dir}" /> > </jacoco:instrument> > </target> > > > > <target name="test" depends="instrument"> > <!-- Step 3: Run tests with instrumented classes --> > <java classname="HelloTest" fork="true"> > <!-- jacocoagent.jar must be on the classpath --> > <classpath> > <pathelement path="./lib/jacocoagent.jar"/> > <pathelement path="${result.classes.instr.dir}" /> > </classpath> > <!-- Agent is configured with system properties --> > <sysproperty key="jacoco-agent.destfile" file="${result.exec.file}"/> > <arg value="2 * 3 + 4"/> > <arg value="2 + 3 * 4"/> > <arg value="(2 + 3) * 4"/> > <arg value="2 * 2 * 2 * 2"/> > <arg value="1 + 2 + 3 + 4"/> > <arg value="2 * 3 + 2 * 5"/> > </java> > </target> > > > <target name="report" depends="test"> > <!-- Step 4: Create coverage report --> > <jacoco:report> > > > <!-- This task needs the collected execution data and ... --> > <executiondata> > <file file="${result.exec.file}" /> > </executiondata> > > > <!-- the class files and optional source files ... --> > <structure name="JaCoCo Ant Example"> > <classfiles> > <fileset dir="${result.classes.dir}" /> > </classfiles> > <sourcefiles encoding="UTF-8"> > <fileset dir="${src.dir}" /> > </sourcefiles> > </structure> > > > <!-- to produce reports in different formats. --> > <html destdir="${result.report.dir}" /> > <csv destfile="${result.report.dir}/report.csv" /> > <xml destfile="${result.report.dir}/report.xml" /> > </jacoco:report> > </target> > > > <target name="rebuild" depends="clean,compile,instrument,test,report" /> > > > </project> > > <https://lh3.googleusercontent.com/-IFbld8-WmvQ/WgqG8SGLhuI/AAAAAAAAABY/ONo1mx41yy0fObQWJyFSUCCkiBYZ21k3gCLcBGAs/s1600/0M81EX%2529A%2528%257EHI%255DE%257B5%255BTO%255B4LE.png> > > > > > Regrads > > echo > -- You received this message because you are subscribed to the Google Groups "JaCoCo and EclEmma Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/jacoco/9af95f6b-1178-40eb-a86f-5267c6d7381c%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
