如何让Apache Derby和Hibernate在Java EE应用程序中打印英文异常消息?

Kar*_*ter 9 java hibernate derby java-ee payara

我正在运行一个Java EE应用程序,该应用程序在Payara 4.1.1.172上使用Hibernate 5.2.10.Final和Apache Derby存储后端.我看到的错误信息如

Caused by: java.sql.SQLDataException: A truncation error was encountered trying to shrink VARCHAR () FOR BIT DATA '(Binärer Datenwert wird nicht angezeigt)' to length 255.
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这表示Hibernate或Derby或两者都没有在消息的所有部分使用英语错误消息.

我试过了

我看到异常消息的开头是英文的.我希望完整的信息是英文的,包括所有可能的部分.我对解决异常并不感兴趣,这是一个例子.我不是在寻找德语部分的翻译.

非英语消息部分很可能是由服务器启动的德语Ubuntu 18.04引起的.更改操作系统的系统区域设置或服务器可以包装的容器是一种解决方法,但不是解决方案.

甲SSCCE可以被发现在https://gitlab.com/krichter/derby-embedded-data-source-locale-j4ee的CI和示例输出在https://gitlab.com/krichter/derby-embedded-data- source-locale-j4ee/ - /jobs/83525395.SSCCE仅包含服务器启动周围的样板和一个简单的无效本机查询,导致出现德语错误消息,而不是问题中提供的信息.

如果可能,请使用SSCCE验证答案.

我的动机是拥有英语异常消息,以便在开发过程中更轻松地通过搜索引擎找到解决方案而不会篡改系统语言.

Hal*_*vic 4

为什么不直接使用JAVA_TOOL_OPTIONS环境变量呢?设置后export LC_ALL=de_DE.UTF-8(在您的 中.gitlab-ci.yml),您可以设置export JAVA_TOOL_OPTIONS="-Duser.language=en"享受英语的错误消息。

关于“-Duser.language”不适用于 derby 的 startNetworkServer:startNetworkServer 是一个执行的脚本(以其最简单的形式)java -jar derby.jar。因此你不能简单地执行bin/startNetworkServer -Duser.language=en. 但是如果您查看该startNetworkServer脚本,您可以看到使用了环境变量DERBY_OPTS。所以也许它也可以指定export DERBY_OPTS="-Duser.language=en",尽管我没有这样尝试。(正如你的评论所述,它并不

.gitlab-ci.yml有效的示例:

main:
    image: ubuntu:18.04
    script:
        - apt-get update && apt-get install --yes language-pack-de wget openjdk-8-jdk maven
        - export LC_ALL=de_DE.UTF-8
        - export JAVA_TOOL_OPTIONS="-Duser.language=en"
        - wget http://www-eu.apache.org/dist//db/derby/db-derby-10.14.2.0/db-derby-10.14.2.0-bin.tar.gz && tar xf db-derby-10.14.2.0-bin.tar.gz
        - cd db-derby-10.14.2.0-bin && bin/startNetworkServer &
        - mvn --batch-mode install
        - java -jar target/derby-embedded-data-source-locale-1.0-SNAPSHOT-jar-with-dependencies.jar
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输出:

$ java -jar target/derby-embedded-data-source-locale-1.0-SNAPSHOT-jar-with-dependencies.jar
Picked up JAVA_TOOL_OPTIONS: -Duser.language=en
running main
Exception in thread "main" java.sql.SQLNonTransientConnectionException: The connection was refused because the database database was not found.
        at org.apache.derby.client.am.SQLExceptionFactory.getSQLException(Unknown Source)
        at org.apache.derby.client.am.SqlException.getSQLException(Unknown Source)
        at org.apache.derby.jdbc.ClientDriver.connect(Unknown Source)
        at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:677)
        at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:228)
        at de.richtercloud.derby.embedded.data.source.locale.Main.main(Main.java:12)
Caused by: ERROR 08004: The connection was refused because the database database was not found.
        at org.apache.derby.client.net.NetConnectionReply.parseRDBNFNRM(Unknown Source)
        at org.apache.derby.client.net.NetConnectionReply.parseAccessRdbError(Unknown Source)
        at org.apache.derby.client.net.NetConnectionReply.parseACCRDBreply(Unknown Source)
        at org.apache.derby.client.net.NetConnectionReply.readAccessDatabase(Unknown Source)
        at org.apache.derby.client.net.NetConnection.readSecurityCheckAndAccessRdb(Unknown Source)
        at org.apache.derby.client.net.NetConnection.flowSecurityCheckAndAccessRdb(Unknown Source)
        at org.apache.derby.client.net.NetConnection.flowUSRIDPWDconnect(Unknown Source)
        at org.apache.derby.client.net.NetConnection.flowConnect(Unknown Source)
        at org.apache.derby.client.net.NetConnection.<init>(Unknown Source)
        at org.apache.derby.client.net.ClientJDBCObjectFactoryImpl.newNetConnection(Unknown Source)
        ... 4 more
ERROR: Job failed: exit code 1
FATAL: exit code 1
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