Here is a complete code to read exec file including import statements too.
*import java.io.BufferedInputStream;*
*import java.io.BufferedOutputStream;*
*import java.io.ByteArrayOutputStream;*
*import java.io.File;*
*import java.io.FileInputStream;*
*import java.io.FileOutputStream;*
*import java.io.IOException;*
*import java.net.InetAddress;*
*import java.net.Socket;*
*import java.net.UnknownHostException;*
*import org.jacoco.core.analysis.Analyzer;*
*import org.jacoco.core.analysis.CoverageBuilder;*
*import org.jacoco.core.analysis.IBundleCoverage;*
*import org.jacoco.core.analysis.IClassCoverage;*
*import org.jacoco.core.analysis.IPackageCoverage;*
*import org.jacoco.core.data.ExecutionDataReader;*
*import org.jacoco.core.data.ExecutionDataStore;*
*import org.jacoco.core.data.ExecutionDataWriter;*
*import org.jacoco.core.data.SessionInfoStore;*
*import org.jacoco.core.runtime.RemoteControlReader;*
*import org.jacoco.core.runtime.RemoteControlWriter;*
*import org.jacoco.core.tools.ExecFileLoader;*
*public class JacocoClient {*
* private final SessionInfoStore sessionInfos = new SessionInfoStore();*
* private final ExecutionDataStore executionData = new
ExecutionDataStore();*
* public static void main(String[] args) {*
* // TODO Auto-generated method stub*
* try {*
* new JacocoClient().readJacocoFile();*
* } catch (Exception e) {*
* e.printStackTrace();*
* }*
* }*
* private void readJacocoFile() throws Exception {*
* File execFile = new File("jacoco.exec");*
* ExecFileLoader loader = new ExecFileLoader();*
* loader.load(execFile);*
* final CoverageBuilder coverageBuilder = new CoverageBuilder();*
* final Analyzer analyzer = new Analyzer(*
* loader.getExecutionDataStore(), coverageBuilder);*
* File classesDirectory = new File("C:\\classes");*
* analyzer.analyzeAll(classesDirectory);*
* IBundleCoverage coverage = coverageBuilder.getBundle("jacoco");*
* System.out.println(coverage.getName());*
* for (IPackageCoverage p : coverage.getPackages()) {*
* System.out.println("in the firsr for loop: " + p.getName());*
* String packageName = p.getName();*
* for (IClassCoverage c : p.getClasses()) {*
* System.out.println(coverage.getName() + " : " + packageName + " : " +
c);*
* } *
* } *
* }*
*}*
On Monday, December 2, 2019 at 5:15:47 PM UTC, Abhishek Khandelwal wrote:
>
> Hello team,
>
>
> *Note*: I am using Jacoco version - 0.8.6-SNAPSHOT.
>
> There is a requirement where I need to read Jacoco execution dump file and
> get meaningful data out of it using Jacoco Java API.
>
> For that, I did try to follow below steps but not able to read exec file.
> It will be really helpful if you can provide any pointer to achieve this
> task.
>
> 1. Run Jacoco as an agent and attached to the jvm. I used below
> command for that- [Working]
> - java
>
> -javaagent:C:/jacocoagent.jar=port=36320,includes=com.*,output=tcpserver
> -jar demoapp.jar
> 2. Use Jacoco Java api to connect to this tcpserver and get the dump [
> Working] - pls refer attached 'Jacoco_execution_dump.png' screenshot
> - Here I am getting data from tcp server and dumping into
> jacoco.exec file. [Eventually, I just want to read the data from tcp
> server
> and directly convert that byte data into meaningful information rather
> than
> dumping into jacoco.exec file and then read that file]
> 3. Now I am trying to use Jacoco Java api (CoverageBuilder) to read
> the jacoco.exec file [created in step-2] and convert this data to get
> class/method coverage. Code which I am using to read jacoco.exec file is
> put down below. While running that piece of code, I am getting below error
> -
>
>
> Exception in thread "main" java.lang.IncompatibleClassChangeError: class
> org.jacoco.core.internal.flow.ClassProbesVisitor has interface
> org.objectweb.asm.ClassVisitor as super class
> at java.lang.ClassLoader.defineClass1(Native Method)
> at java.lang.ClassLoader.defineClass(Unknown Source)
> at java.security.SecureClassLoader.defineClass(Unknown Source)
> at java.net.URLClassLoader.defineClass(Unknown Source)
> at java.net.URLClassLoader.access$100(Unknown Source)
> at java.net.URLClassLoader$1.run(Unknown Source)
> at java.net.URLClassLoader$1.run(Unknown Source)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.net.URLClassLoader.findClass(Unknown Source)
> at java.lang.ClassLoader.loadClass(Unknown Source)
> at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
> at java.lang.ClassLoader.loadClass(Unknown Source)
> at
> org.helmetsrequired.jacocotogo.JacocoClient.readJacocoFile(JacocoClient.java:142)
> at org.helmetsrequired.jacocotogo.JacocoClient.main(JacocoClient.java:38)
>
>
>
> *Code to read Jacoco.exec file -** private void readJacocoFile()
> throws Exception {** File execFile = new File("jacoco.exec");**
> ExecFileLoader loader = new ExecFileLoader();**
> loader.load(execFile);*
> * final CoverageBuilder coverageBuilder = new
> CoverageBuilder();** final Analyzer analyzer = new
> Analyzer(**loader.getExecutionDataStore(),
> coverageBuilder);** File classesDirectory = new File("C:\\classes");**
> analyzer.analyzeAll(classesDirectory);* * IBundleCoverage coverage =
> coverageBuilder.getBundle("jacoco");**
> System.out.println(coverage.getName());** for (IPackageCoverage p :
> coverage.getPackages()) {** System.out.println("in the firsr for loop: "
> + p.getName());** String packageName = p.getName();** for (IClassCoverage
> c : p.getClasses()) {** System.out.println(coverage.getName() + " : " +
> packageName + " : " + c);** } ** } * }
>
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