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我試圖從Java 6升級到7，一切都在的Java 6工作正常 但是當我使用的Java 7，播放提供了以下錯誤遊戲框架：在Ebean服務器不能註冊類
Cannot register class [models.ActivityMetrics] in Ebean server
In conf/dev.conf at line 43.
41
42 evolutionplugin=disabled
43 ebean.default = "models.*" <<<<<<<<<<<<<<<<<<<<<
44
這是maven項目。它的構建成功，但在運行時出現上述錯誤。
我正在使用play 2.2.0。
我嘗試使用clean, compile, play命令序列的建議在回答過去類似的問題，但它沒有幫助。
當使用Java 7而不是Java 6時，是否對模型有任何要求更改？任何建議我應該改變什麼。
更新：
發現在日誌文件中的以下堆棧跟蹤。
play.api.Configuration$$anon$1: Configuration error[Cannot register class [models.ActivityMetrics] in Ebean server]
at play.api.Configuration$.play$api$Configuration$$configError(Configuration.scala:92) ~[play_2.10-2.2.6.jar:2.2.6]
at play.api.Configuration.reportError(Configuration.scala:570) ~[play_2.10-2.2.6.jar:2.2.6]
at play.Configuration.reportError(Configuration.java:307) ~[play_2.10-2.2.6.jar:2.2.6]
at play.db.ebean.EbeanPlugin.onStart(EbeanPlugin.java:71) ~[play-java-ebean_2.10-2.2.6.jar:2.2.6]
at play.api.Play$$anonfun$start$1$$anonfun$apply$mcV$sp$1.apply(Play.scala:88) ~[play_2.10-2.2.6.jar:2.2.6]
at play.api.Play$$anonfun$start$1$$anonfun$apply$mcV$sp$1.apply(Play.scala:88) ~[play_2.10-2.2.6.jar:2.2.6]
at scala.collection.immutable.List.foreach(List.scala:318) ~[scala-library-2.10.2.jar:na]
at play.api.Play$$anonfun$start$1.apply$mcV$sp(Play.scala:88) ~[play_2.10-2.2.6.jar:2.2.6]
at play.api.Play$$anonfun$start$1.apply(Play.scala:88) ~[play_2.10-2.2.6.jar:2.2.6]
at play.api.Play$$anonfun$start$1.apply(Play.scala:88) ~[play_2.10-2.2.6.jar:2.2.6]
at play.utils.Threads$.withContextClassLoader(Threads.scala:18) ~[play_2.10-2.2.6.jar:2.2.6]
at play.api.Play$.start(Play.scala:87) ~[play_2.10-2.2.6.jar:2.2.6]
at play.core.ReloadableApplication$$anonfun$get$1$$anonfun$apply$1$$anonfun$1.apply(ApplicationProvider.scala:139) ~[play_2.10-2.2.6.jar:2.2.6]
at play.core.ReloadableApplication$$anonfun$get$1$$anonfun$apply$1$$anonfun$1.apply(ApplicationProvider.scala:112) ~[play_2.10-2.2.6.jar:2.2.6]
at scala.Option.map(Option.scala:145) ~[scala-library-2.10.2.jar:na]
at play.core.ReloadableApplication$$anonfun$get$1$$anonfun$apply$1.apply(ApplicationProvider.scala:112) ~[play_2.10-2.2.6.jar:2.2.6]
at play.core.ReloadableApplication$$anonfun$get$1$$anonfun$apply$1.apply(ApplicationProvider.scala:110) ~[play_2.10-2.2.6.jar:2.2.6]
at scala.util.Success.flatMap(Try.scala:200) ~[scala-library-2.10.2.jar:na]
at play.core.ReloadableApplication$$anonfun$get$1.apply(ApplicationProvider.scala:110) ~[play_2.10-2.2.6.jar:2.2.6]
at play.core.ReloadableApplication$$anonfun$get$1.apply(ApplicationProvider.scala:102) ~[play_2.10-2.2.6.jar:2.2.6]
at scala.concurrent.impl.Future$PromiseCompletingRunnable.liftedTree1$1(Future.scala:24) ~[scala-library-2.10.2.jar:na]
at scala.concurrent.impl.Future$PromiseCompletingRunnable.run(Future.scala:24) ~[scala-library-2.10.2.jar:na]
at scala.concurrent.forkjoin.ForkJoinTask$AdaptedRunnableAction.exec(ForkJoinTask.java:1361) ~[scala-library-2.10.2.jar:na]
at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) ~[scala-library-2.10.2.jar:na]
at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) ~[scala-library-2.10.2.jar:na]
at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) ~[scala-library-2.10.2.jar:na]
at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) ~[scala-library-2.10.2.jar:na]
Caused by: java.lang.VerifyError: Stack map does not match the one at exception handler 188
Exception Details:
Location:
models/ActivityMetrics.delete()V @188: astore_2
Reason:
Type 'models/Activity' (current frame, locals[5]) is not assignable to 'java/lang/String' (stack map, locals[5])
Current Frame:
bci: @117
flags: { }
locals: { 'models/ActivityMetrics', 'java/lang/String', 'java/util/ArrayList', top, 'models/ActivityMetrics', 'models/Activity' }
stack: { 'java/lang/Exception' }
Stackmap Frame:
bci: @188
flags: { }
locals: { 'models/ActivityMetrics', 'java/lang/String', top, top, 'java/lang/Object', 'java/lang/String' }
stack: { 'java/lang/Exception' }
Bytecode:
0000000: bb00 3459 b700 3513 0107 b600 372a 3a04
0000010: 013a 0519 04b6 03c4 3a05 1905 3a04 013a
0000020: 0519 04b6 03de 3a05 1905 b600 3713 0108
0000030: b600 37b6 0039 4cb2 0015 2bb6 0017 b200
0000040: 152a 3a04 013a 0519 04b6 03c4 3a05 1905
0000050: 3a04 013a 0519 04b6 03e0 3a05 1905 b600
0000060: 17bb 002f 59b7 0030 4d2c 2a3a 0401 3a05
0000070: 1904 b603 c43a 0519 053a 0401 3a05 1904
0000080: b603 e03a 0519 05b9 0091 0200 57b8 000a
0000090: 4e2a 57b2 000e 2d3a 0401 3a05 1904 b603
00000a0: bf3a 0519 053a 0401 3a05 1904 b603 c23a
00000b0: 0519 052b 2cb6 00fb 57a7 0016 4db2 0015
00000c0: 1301 09b6 0017 bb01 0a59 2cb7 010b bfb1
00000d0:
Exception Handler Table:
bci [97, 185] => handler: 188
Stackmap Table:
full_frame(@188,{Object[#373],Object[#410],Top,Top,Object[#376],Object[#410]},{Object[#414]})
full_frame(@207,{Object[#373],Object[#410],Object[#408],Object[#407],Object[#536],Object[#410]},{})
at java.lang.Class.forName0(Native Method) ~[na:1.7.0_79]
at java.lang.Class.forName(Class.java:274) ~[na:1.7.0_79]
at play.db.ebean.EbeanPlugin.onStart(EbeanPlugin.java:69) ~[play-java-ebean_2.10-2.2.6.jar:2.2.6]
... 23 common frames omitted