我们正在将现有的应用程序从Java 7转换为Java 9,为了满足最低要求,我在这里尝试遵循这个页面:
当我尝试在我们的一些组件上运行mvn干净安装时,我一直得到:
Caused by: org.apache.maven.surefire.booter.SurefireBooterForkException: The forked VM terminated without properly saying goodbye. VM crash or System.exit called?
Command was cmd.exe /X /C ""C:\Program Files\J
在启动hive时,我得到了这个异常。请帮帮我:
Exception in thread "main" java.lang.ClassCastException: jdk.internal.loader.ClassLoaders$AppClassLoader (in module: java.base) cannot be cast to java.net.URLClassLoader (in module: java.base)
at org.apache.hadoop.hive.ql.session.SessionState.<init>(SessionS
我正在建立安卓工作室,指的是本网站。在安装oracle-java7-installer时,将显示此错误:
sudo apt-get install oracle-java7-installer
[sudo] password for cyan:
Reading package lists... Done
Building dependency tree
Reading state information... Done
oracle-java7-installer is already the newest version (7u80+7u60arm-0~webupd8~1).
当我尝试在本地运行Tomcat服务器时,我得到以下错误。
D:\aarthsoftwares\apache-tomcat-7.0.82\bin\catalina.bat run
Using CATALINA_BASE:
"C:\Users\Aarthi\.IntelliJIdea2017.3\system\tomcat\Unnamed_messenger1"
Using CATALINA_HOME: "D:\aarthsoftwares\apache-tomcat-7.0.82"
Using CATALINA_TMPDIR: "D:\aarth
我正在尝试将我的调试器连接到在Open 11上运行的Wildlfy。
尽管野蝇说:
Listening for transport dt_socket at address: 8787
我的IDE (IntelliJ IDEA CE 2018.1)声称它没有任何连接:
Unable to open debugger port (localhost:8787): java.io.IOException "handshake failed - connection prematurally closed"。
我将通过standalone.sh --debug启动野生
当我将我的应用程序作为.jar文件运行时,它返回以下错误: Exception in thread "main" java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(U
我安装了Spring (3.9.0版)。它以前运转正常。安装JDK 9之后,我无法启动Spring工具套件。
不过,我可以在错误日志中看到以下内容:
org.eclipse.e4.core.internal.di.InjectorImpl.disposed(InjectorImpl.java:450) at org.eclipse.e4.core.internal.di.Requestor.disposed(Requestor.java:156) at org.eclipse.e4.core.internal.contexts.ContextObjectSupplier$ContextInj
我有一个将日志消息发送到JMS (ActiveMQ)的应用程序,以及一个将日志消息放到数据库中的进程。它与log4j 1.x一起工作。升级到log4j2之后,使用相同版本的ActiveMQ (编译和运行时都是Java8)。我可以在主题中看到消息,但在反序列化期间,使用者抛出以下异常。在生产者和使用者身上都部署了相同的编译版本的类。
请帮帮我!
java.lang.IllegalArgumentException: readObject requires a FilteredObjectInputStream or an ObjectInputStream that accepts an Obj
我在Java 10上运行了一个测试scriptjmeter.bat,得到了以下输出:
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.apache.jmeter.util.HostNameSetter (file:/opt/apache-JMeter-4.0/lib/ext/ApacheJMeter_core.jar) to method sun.security.ssl.SSLSocketImpl.setHost(java.lang.S
我正试图通过JPA连接mysql,但它现在让我抓狂了。我不知道我是怎么做到的,但现在我重复一遍,我得到了这个例外:
[EL Warning]: metamodel: 2017-10-06 12:04:17.461--The collection of metamodel types is empty. Model classes may not have been found during entity search for Java SE and some Java EE container managed persistence units. Please verify that you
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':app:signReleaseBundle'.
> A failure occurred while executing com.android.build.gradle.internal.tasks.FinalizeBundleTask$BundleToolRunnable
> Failed to read key upload from store "/Users/alis
将代码上传到lambda时抛出此异常。我试过了,但没有找到解决方案。
java.lang.NoClassDefFoundError: javax/xml/bind/JAXBException
at com.amazonaws.util.Md5Utils.md5AsBase64(Md5Utils.java:104)
at com.amazonaws.services.s3.AmazonS3Client.putObject(AmazonS3Client.java:1647)
at com.amazonaws.eclipse.lambda.upload.wizard.util
我已经创建了Maven项目,在这个项目中我提到了spring-boot-starter-web,在这个项目中,我已经获得了slf4j-api-1.7.25.jar,并且正在使用JDK9。但是它找不到org/slf4j/LoggerFactory
线程"main“中的异常: org/slf4j/LoggerFactory at org.apache.commons.logging.impl.SLF4JLogFactory.getInstance(SLF4JLogFactory.java:155) at org.apache.commons.logging.impl.SLF4JLogFa