運行單元測試時，我遇到了jar hell的問題。

java.lang.RuntimeException: found jar hell in test classpath

at org.elasticsearch.bootstrap.BootstrapForTesting.(BootstrapForTesting.java:95)

at org.elasticsearch.test.ESTestCase.(ESTestCase.java:99)

at java.lang.Class.forName0(Native Method)

at java.lang.Class.forName(Class.java:348)

at com.carrotsearch.randomizedtesting.RandomizedRunner$2.run(RandomizedRunner.java:585)

Caused by: java.lang.IllegalStateException: jar hell!

class: org.apache.commons.io.CopyUtils

jar1: C:\Users\vvenkatasubbu\.gradle\caches\modules-2\files-2.1\commons-io\commons-io\1.3.2\b6dde38349ba9bb5e6ea6320531eae969985dae5\commons-io-1.3.2.jar

jar2: C:\Users\vvenkatasubbu\.gradle\caches\modules-2\files-2.1\org.apache.commons\commons-io\1.3.2\b6dde38349ba9bb5e6ea6320531eae969985dae5\commons-io-1.3.2.jar

at org.elasticsearch.bootstrap.JarHell.checkClass(JarHell.java:282)

at org.elasticsearch.bootstrap.JarHell.checkJarHell(JarHell.java:186)

at org.elasticsearch.bootstrap.JarHell.checkJarHell(JarHell.java:87)

at org.elasticsearch.bootstrap.BootstrapForTesting.(BootstrapForTesting.java:93)

... 4 more

我遇到了上述錯誤，并通過刪除了不必要的jar文件解決了這些錯誤。

但是我面臨以下兩個jar的問題，即tomcat-embed-core-8.0.36.jar和hibernate-

jpa-2.1-api-1.0.0.Final.jar。這兩者之間有一個共同的類，我需要兩個jar文件，任何人都可以向我解釋如何解決此問題。我都需要jar文件。

java.lang.RuntimeException: found jar hell in test classpath

at org.elasticsearch.bootstrap.BootstrapForTesting.(BootstrapForTesting.java:95)

at org.elasticsearch.test.ESTestCase.(ESTestCase.java:99)

at java.lang.Class.forName0(Native Method)

at java.lang.Class.forName(Class.java:348)

at com.carrotsearch.randomizedtesting.RandomizedRunner$2.run(RandomizedRunner.java:585)

Caused by: java.lang.IllegalStateException: jar hell!

class: javax.persistence.PersistenceProperty

jar1: C:\Users\vvenkatasubbu\.gradle\caches\modules-2\files-2.1\org.apache.tomcat.embed\tomcat-embed-core\8.0.36\de87fa65671daad59773c8280eeabbd335f42c\tomcat-embed-core-8.0.36.jar

jar2: C:\Users\vvenkatasubbu\.gradle\caches\modules-2\files-2.1\org.hibernate.javax.persistence\hibernate-jpa-2.1-api\1.0.0.Final\5e731d961297e5a07290bfaf3db1fbc8bbbf405a\hibernate-jpa-2.1-api-1.0.0.Final.jar

at org.elasticsearch.bootstrap.JarHell.checkClass(JarHell.java:282)

at org.elasticsearch.bootstrap.JarHell.checkJarHell(JarHell.java:186)

at org.elasticsearch.bootstrap.JarHell.checkJarHell(JarHell.java:87)

at org.elasticsearch.bootstrap.BootstrapForTesting.(BootstrapForTesting.java:93)

... 4 more

提前致謝。

總結

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