MockClassLoader无法访问jdk/internal/reflect超类jdk.internal.reflect.MagicAccessorImpl [英] MockClassLoader cannot access jdk/internal/reflect superclass jdk.internal.reflect.MagicAccessorImpl

问题描述

我正在将项目迁移到Java9中，在切换到新的Java版本后，测试开始失败，看来PowerMock正在尝试访问一些它无法访问的类.

I am in the middle of migrating a project into Java9, The Tests start failing after I switched to the new Java version, it seems like PowerMock is trying to access some classes it does not have access to.

Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.973 sec <<< FAILURE! - in com.Test
initializationError(com.Test)  Time elapsed: 0.007 sec  <<< ERROR!
org.objenesis.ObjenesisException: java.lang.reflect.InvocationTargetException
Caused by: java.lang.reflect.InvocationTargetException
Caused by: java.lang.IllegalAccessError: class jdk.internal.reflect.ConstructorAccessorImpl loaded by org/powermock/core/classloader/MockClassLoader cannot access jdk/internal/reflect superclass jdk.internal.reflect.MagicAccessorImpl

maven-surefire-plugin

<plugin>
    <artifactId>maven-surefire-plugin</artifactId>
    <version>2.19.1</version>
    <configuration>
        <includes>
            <include>**/*Test.java</include>
            <include>**/*Test.groovy</include>
            <include>**/*Spec.*</include>
        </includes>
        <forkMode>always</forkMode>
        <argLine>--add-modules java.xml.bind</argLine>
        <argLine>--add-modules java.activation</argLine>
        <argLine>--add-opens=java.base/java.lang=ALL-UNNAMED --illegal-access=warn</argLine>
    </configuration>
</plugin>

powermock依赖项

<dependency>
        <groupId>org.powermock</groupId>
        <artifactId>powermock-module-junit4</artifactId>
        <version>1.7.4</version>
        <scope>test</scope>
    </dependency>

    <dependency>
        <groupId>org.powermock</groupId>
        <artifactId>powermock-api-mockito</artifactId>
        <version>1.7.4</version>
        <scope>test</scope>
        <exclusions>
            <exclusion>
                <groupId>org.mockito</groupId>
                <artifactId>mockito-all</artifactId>
            </exclusion>
        </exclusions>
    </dependency>

推荐答案

它是(当前)未解决的问题@powermock ，但是对于Java 9来说应该可以:

It is an (currently) open issue @powermock, but for Java 9 this should work:

<dependency>
  <groupId>org.mockito</groupId>
  <artifactId>mockito-core</artifactId>
  <version>2.18.0</version> <!-- or higher, correspondning to powermock-version -->
</dependency>
<dependency>
  <groupId>org.powermock</groupId>
  <artifactId>powermock-api-mockito2</artifactId>
  <version>2.0.0-beta.5</version> <!-- or higher -->
</dependency>
<dependency>
  <groupId>org.powermock</groupId>
  <artifactId>powermock-module-junit4</artifactId>
  <version>2.0.0-beta.5</version> <!-- or higher -->
</dependency>

请参阅: https://github.com/powermock/powermock/issues/901#issuecomment-385533096

使用Java 11， Mosheer-Ahmad 设法运行了测试，带有:

With Java 11, Mosheer-Ahmad managed to run his tests, with:

1. 上述依赖项，
2. 对org.javassist javassist 3.24.1-GA test和
的其他依赖

3. 此(测试基础)类/注释:

1. the above dependencies,
2. an additional dependency on org.javassist javassist 3.24.1-GA testand

3. this (test base) class/annotations:

@RunWith(PowerMockRunner.class)
@PowerMockIgnore({"javax.management.", "com.sun.org.apache.xerces.", 
  "javax.xml.", "org.xml.", "org.w3c.dom.",
  "com.sun.org.apache.xalan.", "javax.activation.*"})
public class PowerMockitoBaseRunner {

}

.

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