Java版本:9.0.4(我也在10.0.2上试过)
播放版本:2.6.15(也是2.6.18)
Play-ebean:4.1.3
该项目在sbt运行时运行良好,但尝试在生产中运行它(完全相同的环境)会导致此错误。 “DataSource用户是空的吗?”
任何见解都表示赞赏!
这是完整的日志,我的conf设置如下。
[warn] o.h.v.m.ParameterMessageInterpolator - HV000184: ParameterMessageInterpolator has been chosen, EL interpolation will not be supported
[error] io.ebean.Ebean - Error trying to create the default EbeanServer
java.lang.RuntimeException: DataSource user is null?
at org.avaje.datasource.pool.ConnectionPool.<init>(ConnectionPool.java:207)
at org.avaje.datasource.core.Factory.createPool(Factory.java:15)
at io.ebeaninternal.server.core.DefaultContainer.getDataSourceFromConfig(DefaultContainer.java:334)
at io.ebeaninternal.server.core.DefaultContainer.setDataSource(DefaultContainer.java:278)
at io.ebeaninternal.server.core.DefaultContainer.createServer(DefaultContainer.java:117)
at io.ebeaninternal.server.core.DefaultContainer.createServer(DefaultContainer.java:88)
at io.ebeaninternal.server.core.DefaultContainer.createServer(DefaultContainer.java:45)
at io.ebean.EbeanServerFactory.create(EbeanServerFactory.java:58)
at io.ebean.Ebean$ServerManager.getWithCreate(Ebean.java:202)
at io.ebean.Ebean$ServerManager.<init>(Ebean.java:160)
Oops, cannot start the server.
Exception in thread "main" com.google.common.util.concurrent.UncheckedExecutionException: java.lang.IllegalArgumentException
at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2218)
at com.google.common.cache.LocalCache.get(LocalCache.java:4147)
at com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:4151)
at com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:5140)
at com.google.common.cache.LocalCache$LocalLoadingCache.getUnchecked(LocalCache.java:5146)
at com.google.inject.internal.util.StackTraceElements.forMember(StackTraceElements.java:70)
at com.google.inject.internal.Errors.formatSource(Errors.java:817)
at com.google.inject.internal.Errors.formatSource(Errors.java:796)
at com.google.inject.internal.Errors.formatInjectionPoint(Errors.java:849)
at com.google.inject.internal.Errors.formatSource(Errors.java:811)
at com.google.inject.internal.Errors.formatSource(Errors.java:796)
at com.google.inject.internal.Errors.format(Errors.java:590)
at com.google.inject.CreationException.getMessage(CreationException.java:50)
at java.base/java.lang.Throwable.getLocalizedMessage(Throwable.java:396)
at java.base/java.lang.Throwable.toString(Throwable.java:485)
at java.base/java.lang.String.valueOf(String.java:2788)
at java.base/java.io.PrintStream.println(PrintStream.java:897)
at java.base/java.lang.Throwable$WrappedPrintStream.println(Throwable.java:752)
at java.base/java.lang.Throwable.printStackTrace(Throwable.java:659)
at java.base/java.lang.Throwable.printStackTrace(Throwable.java:648)
at java.base/java.lang.Throwable.printStackTrace(Throwable.java:639)
at play.core.server.RealServerProcess.$anonfun$exit$1(ServerProcess.scala:49)
at play.core.server.RealServerProcess.$anonfun$exit$1$adapted(ServerProcess.scala:49)
at scala.Option.foreach(Option.scala:257)
at play.core.server.RealServerProcess.exit(ServerProcess.scala:49)
at play.core.server.ProdServerStart$.start(ProdServerStart.scala:74)
at play.core.server.ProdServerStart$.main(ProdServerStart.scala:25)
at play.core.server.ProdServerStart.main(ProdServerStart.scala)
Caused by: java.lang.IllegalArgumentException
at com.google.inject.internal.asm.$ClassReader.<init>(Unknown Source)
at com.google.inject.internal.asm.$ClassReader.<init>(Unknown Source)
at com.google.inject.internal.asm.$ClassReader.<init>(Unknown Source)
at com.google.inject.internal.util.LineNumbers.<init>(LineNumbers.java:66)
at com.google.inject.internal.util.StackTraceElements$1.load(StackTraceElements.java:46)
at com.google.inject.internal.util.StackTraceElements$1.load(StackTraceElements.java:43)
at com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3708)
at com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2416)
at com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2299)
at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2212)
... 27 more
应用程序配置:
db {
default.driver=com.mysql.jdbc.Driver
default.url="jdbc:mysql://1.1.1.1/db_name?characterEncoding=UTF8&autoReconnect=true&useSSL=false"
default.username=user
default.password="pwd"
}
所以这似乎对我有用。问题本质上是不稳定的,所以我不能确定。
@Inject
public Repository(EbeanConfig ebeanConfig, DynamicEvolutions dynamicEvolutions,
DatabaseExecutionContext executionContext, Config config) {
this.ebeanServer = Ebean.getServer(ebeanConfig.defaultServer());
this.executionContext = executionContext;
}
所以这基本上是将EbeanConfig和DynamicEvolutions注入任何调用Ebean.getServer();
的类中
我在这个问题上找到了这个帖子,
https://github.com/playframework/play-ebean/issues/51
在使用ebean 4.1.3的2.6.x上使用它,如上所述,它似乎有效。