通过powermockrunner类运行时连接到自定义db驱动程序时出错

6tdlim6h 于 2021-06-30 发布在 Java

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当我尝试连接到数据库时，我的junit类出现以下错误，我正在使用powermockrunner进行junit。我尝试连接的驱动程序不是一个众所周知的或开源的，它是我公司定制的驱动程序。是引起问题的那个吗？这些痕迹是：

WARNING: Error while registering Oracle JDBC Diagnosability MBean.
java.lang.LinkageError: loading constraint violation: loader "org/powermock/core/classloader/javassist/JavassistMockClassLoader@591550a" previously initiated loading for a different type with name "javax/management/MBeanServer" defined by loader "com/ibm/oti/vm/BootstrapClassLoader@7ecd7c73"
    at java.lang.ClassLoader.defineClassImpl(Native Method)
    at java.lang.ClassLoader.defineClassInternal(ClassLoader.java:397)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:358)
    at org.powermock.core.classloader.javassist.JavassistMockClassLoader.loadUnmockedClass(JavassistMockClassLoader.java:90)
    at org.powermock.core.classloader.MockClassLoader.loadClassByThisClassLoader(MockClassLoader.java:104)
    at org.powermock.core.classloader.DeferSupportingClassLoader.loadClass1(DeferSupportingClassLoader.java:147)
    at org.powermock.core.classloader.DeferSupportingClassLoader.loadClass(DeferSupportingClassLoader.java:98)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:880)
    at oracle.jdbc.driver.OracleDriver.registerMBeans(OracleDriver.java:409)
    at oracle.jdbc.driver.OracleDriver$1.run(OracleDriver.java:241)
    at java.security.AccessController.doPrivileged(AccessController.java:678)
    at oracle.jdbc.driver.OracleDriver.<clinit>(OracleDriver.java:237)
    at java.lang.Class.forNameImpl(Native Method)

Java PowerMockito

来源：https://stackoverflow.com/questions/65374156/getting-error-while-connecting-to-custom-db-driver-when-running-through-powermoc

2条答案

按热度按时间

3ks5zfa01#

尝试在类声明上方添加以下注解以及其他注解

@PowerMockIgnore({"javax.management.*"})

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zfycwa2u2#

你有 @PrepareForTest 在你的测试中？
如果是，那么当您连接时，它引用stub类并抛出expection。
添加 @PowerMockIgnore 要忽略的注解

@RunWith (PowerMockRunner.class)
...
@PowerMockIgnore({"java.sql.*", "javax.management.*", "org.apache.http.conn.ssl.*", "com.amazonaws.*", "javax.net.ssl.*","com.sun.*"})
public class ... {}

赞(0）回复(0）举报 2021-06-30

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通过powermockrunner类运行时连接到自定义db驱动程序时出错

2条答案

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