If you use log4j it needs to be on the classpath, otherwise you will get a 
NoClassDefFOundError.

This is not related to JaCoCo. Please make your build work without JaCoCo. 
JaCoCo cannot fix your classpath.

Regards,
-marc




> On 29. Jun 2020, at 13:25, shruti1.o...@gmail.com wrote:
> 
> Hi team,
> 
> Jacoco is working fine without log statement.But it is giving me error with 
> logs statement as below -
> 
> 14:05:38     [junit] 
> 14:05:38     [junit] Testcase: testValidateQwestCktIdVCID took 0.171 sec
> 14:05:38     [junit]  Caused an ERROR
> 14:05:38     [junit] org/apache/log4j/Category
> 14:05:38     [junit] java.lang.NoClassDefFoundError: org/apache/log4j/Category
> 14:05:38     [junit]  at 
> com.qwest.eflow.eman.common.nwf.FOAValidationHandler.<clinit>(FOAValidationHandler.java:44)
> 14:05:38     [junit]  at 
> com.ant.sonar.jacoco.junit.code.coverage.JacacoCoverageTest.testValidateQwestCktIdVCID(JacacoCoverageTest.java:31)
> 14:05:38     [junit] Caused by: java.lang.ClassNotFoundException: 
> org.apache.log4j.Category
> 14:05:38     [junit]  at 
> java.net.URLClassLoader.findClass(URLClassLoader.java:382)
> 14:05:38     [junit]  at java.lang.ClassLoader.loadClass(ClassLoader.java:419)
> 14:05:38     [junit]  at 
> sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
> 14:05:38     [junit]  at java.lang.ClassLoader.loadClass(ClassLoader.java:352)
> 14:05:38     [junit] 
> 14:05:38     [junit] Testcase: testUncoveredMethod took 0.001 sec
> 14:05:38     [junit]  Caused an ERROR
> 14:05:38     [junit] org/apache/log4j/Category
> 14:05:38     [junit] java.lang.NoClassDefFoundError: org/apache/log4j/Category
> 14:05:38     [junit]  at 
> com.ant.sonar.jacoco.junit.code.coverage.JacacoCoverage.<clinit>(JacacoCoverage.java:6)
> 
> 
> I am using apache log4j in my code.
> 
> Could you please help me how can I ignore all the log statements in a java 
> class during jacoco coverage.
> 
> below is ant configuration for jacoco -
> 
> <target name="test" depends="compile">
> <jacoco:coverage destfile="${result.exec.file}" excludes="org.apache.log4j.*">
> <junit showoutput="true" printsummary="on" enabletestlistenerevents="true" 
> fork="true" haltonfailure="no" forkmode="once">
> <classpath path="${result.classes.dir}"/>
> <classpath path="${junit.jar.path}"/>
> <classpath path="${hamcrest.jar.path}"/>
> <classpath location="../../ant-junit-1.9.5.jar"/>
> <formatter type="plain" usefile="false"/>
> <test name="com.ant.sonar.jacoco.junit.code.coverage.JacacoCoverageTest"/>
> </junit>
> </jacoco:coverage>
> <!-- Step 3: Create coverage report -->
> <jacoco:report>
> <!--
>  This task needs the collected execution data and ... 
> -->
> <executiondata>
> <file file="${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>
> 
> Please let me know if anything needed from my end.
> 
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