環境

jdk：1.7
play framework：1.2.7

前言

最近要改一個web項目；像往常一樣，去gitlab中去拉取項目；
之后執行play eclipsify生成eclipse項目的格式，之后導入；
在之后，就是啟動項目，并且訪問localhost:9998,結果就報錯：

Oops: VerifyError An unexpected error occured caused by exception VerifyError: Expecting a stack map frame Exception Details: Location: controllers/adminManagement/Secure$Security.authentify(Ljava/lang/String;Ljava/lang/String;)Z @33: istore_3 Reason: Error exists in the bytecode Bytecode: 0000000: b800 7d12 782b b800 7a12 712a b800 77bb 0000010: 0010 59b7 0012 bf3a 0403 3eb8 0080 1904 0000020: bf3e b800 821d ac Exception Handler Table: bci [0, 23] => handler: 23 Stackmap Table: same_locals_1_stack_item_frame(@23,Object[#55]) play.exceptions.UnexpectedException: Unexpected Errorat play.Invoker$Invocation.onException(Invoker.java:244)at play.Invoker$Invocation.run(Invoker.java:286)at Invocation.HTTP Request(Play!) Caused by: java.lang.VerifyError: Expecting a stack map frame Exception Details:Location:controllers/adminManagement/Secure$Security.authentify(Ljava/lang/String;Ljava/lang/String;)Z @33: istore_3Reason:Error exists in the bytecodeBytecode:0000000: b800 7d12 782b b800 7a12 712a b800 77bb0000010: 0010 59b7 0012 bf3a 0403 3eb8 0080 19040000020: bf3e b800 821d ac Exception Handler Table:bci [0, 23] => handler: 23Stackmap Table:same_locals_1_stack_item_frame(@23,Object[#55])at java.lang.Class.getDeclaredMethods0(Native Method)at java.lang.Class.privateGetDeclaredMethods(Class.java:2531)at java.lang.Class.getDeclaredMethods(Class.java:1855)at play.utils.JavaWithCaching.findAllAnnotatedMethods(Java.java:528)at play.utils.JavaWithCaching.findAllAnnotatedMethods(Java.java:535)at play.utils.JavaWithCaching.findAllAnnotatedMethods(Java.java:498)at play.utils.Java.findAllAnnotatedMethods(Java.java:277)at play.mvc.ActionInvoker.handleFinallies(ActionInvoker.java:390)at play.mvc.ActionInvoker.invoke(ActionInvoker.java:263)... 1 more

解決方法

經過查詢是因為 Any tool that modifies bytecode in a version 51 classfile must be sure to update the stackmap information to be consistent with the bytecode in order to pass verification.
中文意思就是： JDK7 引入版本為51的字節碼規范，使用了嚴格的類型檢查器，任何工具修改了字節碼的，都需要更新stackmap，但是jws修改了字節碼，而沒有更新

解決方法：啟動參數添加 -XX:-UseSplitVerifier

具體放置位置參考這篇，講解java7、8添加的參數：java.lang.VerifyError: Expecting a stack map frame

參考地址：

http://blog.csdn.net/lili625/article/details/49427635

總結

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