我已经在服务器java上部署了应用程序wildfly-15.0.1.FINAl。我正在使用OJDBC 12.1.0.2.0驱动程序。
<datasource jndi-name="java:/DS_APP" pool-name="APP" enabled="true" use-java-context="true">
<connection-url>jdbc:oracle:thin:@localhost:1521:MYDB</connection-url>
<driver>OracleJDBCDriver</driver>
<transaction-isolation>TRANSACTION_READ_COMMITTED</transaction-isolation>
<pool>
<min-pool-size>3</min-pool-size>
<max-pool-size>200</max-pool-size>
</pool>
<security>
<security-domain>Password4APP</security-domain>
</security>
<validation>
<valid-connection-checker class-name="org.jboss.jca.adapters.jdbc.extensions.oracle.OracleValidConnectionChecker"/>
<exception-sorter class-name="org.jboss.jca.adapters.jdbc.extensions.oracle.OracleExceptionSorter"/>
</validation>
<timeout>
<blocking-timeout-millis>60000</blocking-timeout-millis>
<idle-timeout-minutes>15</idle-timeout-minutes>
</timeout>
<statement>
<track-statements>true</track-statements>
<prepared-statement-cache-size>100</prepared-statement-cache-size>
</statement>
</datasource>
有一段时间，我的应用程序无法获取数据库连接并记录如下错误
Caused by: java.sql.SQLException: javax.resource.ResourceException: IJ000453: Unable to get managed connection for java:/DS_APP
at org.jboss.jca.adapters.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:146) ~[?:?]
at org.jboss.as.connector.subsystems.datasources.WildFlyDataSource.getConnection(WildFlyDataSource.java:64) ~[?:?]
at ge.app.ws.util.DbManager.getDatabaseConnection(DbManager.java:55) ~[classes:?]
... 2 more
Caused by: javax.resource.ResourceException: IJ000453: Unable to get managed connection for java:/DS_APP
at org.jboss.jca.core.connectionmanager.AbstractConnectionManager.getManagedConnection(AbstractConnectionManager.java:690) ~[?:?]
at org.jboss.jca.core.connectionmanager.tx.TxConnectionManagerImpl.getManagedConnection(TxConnectionManagerImpl.java:440) ~[?:?] …我是 Spring Boot 的新手。我正在尝试在 WildFly 15 上部署 Spring Boot 2.2.1 项目作为战争。我可以在 Maven 中构建和运行单元测试，但是当我部署到 WildFly 时，出现以下错误：
WFLYCTL0186: Services which failed to start: service jboss.deployment.unit."my.war".undertow-deployment:
java.lang.RuntimeException:org.springframework.beans.factory.BeanCreationException:
Error creating bean with name 'integrationArgumentResolverMessageConverter': Instantiation of bean failed;
nested exception is org.springframework.beans.BeanInstantiationException:
Failed to instantiate [org.springframework.integration.support.converter.ConfigurableCompositeMessageConverter]:
Constructor threw exception; nested exception is java.lang.VerifyError: Bad return type
Exception Details:
Location:
com/fasterxml/jackson/databind/cfg/MapperBuilder.streamFactory()Lcom/fasterxml/jackson/core/TokenStreamFactory; @7: areturn
Reason:
Type 'com/fasterxml/jackson/core/JsonFactory' (current frame, stack[0]) is not assignable to 'com/fasterxml/jackson/core/TokenStreamFactory' (from method signature)
Current Frame:
bci: @7
flags: { }
locals: …我们将 Wildfly 15 与 JMX Exporter 结合使用。当启动 WildFly 服务器时，我遇到以下异常，并且我已经没有想法了。该包存在于modules/system/layers/base/org/wildfly/common/main/wildfly-common-1.4.0.Final.jar.
=========================================================================
JBoss Bootstrap Environment
JBOSS_HOME: /opt/jboss/wildfly-15.0.1.Final
JAVA: /opt/java/jdk1.8.0_201/bin/java
JAVA_OPTS: -Djava.util.logging.manager=org.jboss.logmanager.LogManager -Xbootclasspath/p:/opt/jboss/wildfly-15.0.1.Final/modules/system/layers/base/org/jboss/logmanager/main/jboss-logmanager-2.1.5.Final.jar -Xbootclasspath/p:/opt/jboss/wildfly-15.0.1.Final/modules/system/layers/base/org/jboss/log4j/logmanager/main/log4j-jboss-logmanager-1.1.6.Final.jar -Xbootclasspath/p:/opt/jboss/wildfly-15.0.1.Final/modules/system/layers/base/org/slf4j/impl/main/slf4j-jboss-logmanager-1.0.3.GA.jar -javaagent:/opt/jboss/wildfly-15.0.1.Final/prometheus/jmx-prometheus.jar=9404:/opt/jboss/wildfly-15.0.1.Final/prometheus/config.yaml -Djboss.modules.system.pkgs=org.jboss.byteman,org.jboss.logmanager -server -Xmx3G -XX:MetaspaceSize=256m -XX:MaxMetaspaceSize=512m -Djava.net.preferIPv4Stack=true -Djava.awt.headless=true -agentlib:jdwp=transport=dt_socket,address=8787,server=y,suspend=n
=========================================================================
Picked up JAVA_TOOL_OPTIONS: -Dfile.encoding=UTF8
Listening for transport dt_socket at address: 8787
java.lang.NoClassDefFoundError: org/wildfly/common/net/HostName
at org.jboss.logmanager.ExtLogRecord.<init>(ExtLogRecord.java:87)
at org.jboss.logmanager.Logger.log(Logger.java:796)
at org.jboss.logging.JBossLogManagerLogger.doLogf(JBossLogManagerLogger.java:53)
at org.jboss.logging.Logger.logf(Logger.java:2398)
at org.jboss.msc.service.ServiceLogger_$logger.greeting(ServiceLogger_$logger.java:40)
at org.jboss.msc.service.ServiceContainerImpl.<clinit>(ServiceContainerImpl.java:91)
at org.jboss.msc.service.ServiceContainer$Factory.create(ServiceContainer.java:250)
at org.jboss.as.server.BootstrapImpl$ShutdownHook.register(BootstrapImpl.java:231)
at org.jboss.as.server.BootstrapImpl$ShutdownHook.access$100(BootstrapImpl.java:221)
at org.jboss.as.server.BootstrapImpl.<init>(BootstrapImpl.java:72)
at org.jboss.as.server.Bootstrap$Factory.newInstance(Bootstrap.java:278)
at org.jboss.as.server.Main.main(Main.java:106)
at org.jboss.modules.Module.run(Module.java:352)
at org.jboss.modules.Module.run(Module.java:320)
at org.jboss.modules.Main.main(Main.java:593)