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有系統錯誤日誌不包含堆棧跟蹤。websphere系統錯誤日誌記錄不包含堆棧跟蹤
[19.06.15 18:21:11:887 MSK] 00000381 InjectionBind E CWNEN0030E: В фабрике @PersistenceUnit возникла ошибка при получении объекта привязки primary для экземпляра объекта. Сообщение об исключительной ситуации: [PersistenceUnit: primary] Unable to build EntityManagerFactory
[19.06.15 18:21:11:887 MSK] 00000381 ResourceInjec E CWOWB0102E: Ошибка JCDI: Unable to obtain an instance for primary: javax.persistence.PersistenceException: [PersistenceUnit: primary] Unable to build EntityManagerFactory
[19.06.15 18:21:11:887 MSK] 00000381 ResourceInjec E CWOWB0102E: Ошибка JCDI: Unable to obtain an instance for primary: javax.persistence.PersistenceException: [PersistenceUnit: primary] Unable to build EntityManagerFactory
非系統錯誤記錄正常。我該如何解決它？
使用WAS 8.5.5，JDK1.7，JPA 2.0，Hibernate 4.2.5。
使用eclipse控制檯觀看日誌。
log4j.properties：
#Default log level to ERROR. Other levels are INFO and DEBUG.
log4j.rootLogger=INFO, FILE, CONSOLE
#CONSOLE
log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender
log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout
log4j.appender.CONSOLE.layout.ConversionPattern=%d{HH:mm:ss,SSS} %5p [%t.%F] - %m%n
#FILE
log4j.appender.FILE=org.apache.log4j.RollingFileAppender
log4j.appender.FILE.File=logs/moch.log
log4j.appender.FILE.MaxFileSize=1000KB
#Keep 5 old files around.
log4j.appender.FILE.MaxBackupIndex=5
log4j.appender.FILE.layout=org.apache.log4j.PatternLayout
#Format almost same as WebSphere's common log format.
log4j.appender.FILE.layout.ConversionPattern=[%d] %t %c %-5p - %m%n
#Optionally override log level of individual packages or classes
log4j.logger.ru.my=TRACE
log4j.logger.ru.my.snuil.moch=INFO
log4j.logger.org.hibernate=INFO