>
> Hi, Thank you so much for answering. I have tried to exclude class from
> instrumentation
> in "instrument" goal.
I want use BlockBuilderStatus.class without instrumentation
> <execution>
>
<id>default-instrument</id>
> <goals>
> <goal>instrument</goal>
> </goals>
> <configuration>
> <excludes>
> <exclude>
> *.jar
> </exclude>
> <exclude>
> **/BlockBuilderStatus
> </exclude>
> </excludes>
> </configuration>
> </execution>
>
Its a multi-module project ,so I use an maven-antrun-plugin. and it
failes with error message: "Failed to execute goal
org.apache.maven.plugins:maven-antrun-plugin:1.6:run (default) on project
common-api: An Ant BuildException has occured: Error while creating report:
Error while analyzing xxx.class. Class xxx is already instrumented. "
"To collect execution data JaCoCo instruments the classes under test
which adds two members to the classes: A private static field $jacocoData
and a private static method $jacocoInit(). Both members are marked as
synthetic.
*Please change your code to ignore synthetic members.* This is a good
practice anyways as also the Java compiler creates synthetic members in
certain situation." where can I find a sample? actually,if
BlockBuilderStatus.class is instrumented ,it will go into this branch '
if (clazz.isArray()) {
throw new IllegalArgumentException(String.format("Cannot
determine size of %s because it contains an array", clazz.getSimpleName()));
}' ,and this BlockBuilderStatus.class is referenced by many
classes
>
在 2017年1月4日星期三 UTC+8上午5:15:33，Evgeny Mandrikov写道：
>
>
> First of all quoting JaCoCo FAQ item "My code uses reflection. Why does it
> fail when I execute it with JaCoCo?" ( see
> http://www.jacoco.org/jacoco/trunk/doc/faq.html ) :
> To collect execution data JaCoCo instruments the classes under test which
> adds two members to the classes: A private static field $jacocoData and a
> private static method $jacocoInit(). Both members are marked as synthetic.
> *Please change your code to ignore synthetic members.* This is a good
> practice anyways as also the Java compiler creates synthetic members in
> certain situation.
>
> And answering your question about exclusions: there is known inconsistency
> between exclusion patterns for instrumentation and report generation ( see
> https://github.com/jacoco/jacoco/issues/34 ): first one accepts Java or
> VM class name, while second one accepts file name. So if you want to
> exclude class from instrumentation - specify it as " **/BlockBuilderStatus"
> for "instrument" goal. Or as a workaround - you can specify
> "**/BlockBuilderStatus*", which will also work for "report" goal.
>
> On Tuesday, January 3, 2017 at 3:34:02 AM UTC+1, [email protected]
> <javascript:> wrote:
>>
>> hi,
>>
>> I want to skip instrument a class named BlockBuilderStatus.class ,but
>> it didn't work , here is my configuration ,is there anything wrong?
>>
>> <plugin>
>> <groupId>org.jacoco</groupId>
>> <artifactId>jacoco-maven-plugin</artifactId>
>> <version>0.7.7.201606060606</version>
>> <executions>
>> <execution>
>> <id>jacoco-initialize</id>
>> <goals>
>> <goal>prepare-agent</goal>
>> </goals>
>> </execution>
>> <execution>
>> <id>jacoco-site</id>
>> <phase>package</phase>
>> <goals>
>> <goal>report</goal>
>> </goals>
>> </execution>
>> </executions>
>> <configuration>
>> <excludes>
>> <exclude>
>> *.jar
>> </exclude>
>> <exclude>
>> **/BlockBuilderStatus.class
>> </exclude>
>> </excludes>
>> </configuration>
>> </plugin>
>>
>> Method deepInstanceSize in BlockBuilderStatus.java will be invoked
>> when the class is loaded , and it throws an Exception when use jacoco , it
>> will go into 'if (clazz.isArray())' this branch. so I want to skip
>> instrument the class .
>>
>> private static int deepInstanceSize(Class<?> clazz)
>> {
>> if (clazz.isArray()) {
>> throw new IllegalArgumentException(String.format("Cannot
>> determine size of %s because it contains an array", clazz.getSimpleName()));
>> }
>> if (clazz.isInterface()) {
>> throw new IllegalArgumentException(String.format("%s is an
>> interface", clazz.getSimpleName()));
>> }
>> if (Modifier.isAbstract(clazz.getModifiers())) {
>> throw new IllegalArgumentException(String.format("%s is
>> abstract", clazz.getSimpleName()));
>> }
>> if (!clazz.getSuperclass().equals(Object.class)) {
>> throw new IllegalArgumentException(String.format("Cannot
>> determine size of a subclass. %s extends from %s", clazz.getSimpleName(),
>> clazz.getSuperclass().getSimpleName()));
>> }
>>
>> int size = ClassLayout.parseClass(clazz).instanceSize();
>> for (Field field : clazz.getDeclaredFields()) {
>> if (!field.getType().isPrimitive()) {
>> size += deepInstanceSize(field.getType());
>> }
>> }
>> return size;
>> }
>>
>>
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