我在构建我的maven项目时遇到以下错误.
[INFO] --- jboss-as-maven-plugin:7.9.Final:deploy (default-cli) @ project-parent ---
[WARNING] Error injecting: org.jboss.as.plugin.deployment.Deploy
java.lang.NoClassDefFoundError: org/jboss/as/controller/client/ModelControllerClient
at java.lang.Class.getDeclaredConstructors0 (Native Method)
at java.lang.Class.privateGetDeclaredConstructors (Class.java:2595)
at java.lang.Class.getDeclaredConstructors (Class.java:1914)
at com.google.inject.spi.InjectionPoint.forConstructorOf (InjectionPoint.java:245)
at com.google.inject.internal.ConstructorBindingImpl.create (ConstructorBindingImpl.java:99)
at com.google.inject.internal.InjectorImpl.createUninitializedBinding (InjectorImpl.java:658)
at com.google.inject.internal.InjectorImpl.createJustInTimeBinding (InjectorImpl.java:882)
at com.google.inject.internal.InjectorImpl.createJustInTimeBindingRecursive (InjectorImpl.java:805)
at com.google.inject.internal.InjectorImpl.getJustInTimeBinding (InjectorImpl.java:282)
at com.google.inject.internal.InjectorImpl.getBindingOrThrow (InjectorImpl.java:214)
at com.google.inject.internal.InjectorImpl.getProviderOrThrow (InjectorImpl.java:1006)
at com.google.inject.internal.InjectorImpl.getProvider (InjectorImpl.java:1038)
at com.google.inject.internal.InjectorImpl.getProvider (InjectorImpl.java:1001)
at com.google.inject.internal.InjectorImpl.getInstance (InjectorImpl.java:1051)
at org.eclipse.sisu.space.AbstractDeferredClass.get (AbstractDeferredClass.java:48)
at com.google.inject.internal.ProviderInternalFactory.provision (ProviderInternalFactory.java:81)
at com.google.inject.internal.InternalFactoryToInitializableAdapter.provision (InternalFactoryToInitializableAdapter.java:53)
at com.google.inject.internal.ProviderInternalFactory$1.call (ProviderInternalFactory.java:65)
at com.google.inject.internal.ProvisionListenerStackCallback$Provision.provision (ProvisionListenerStackCallback.java:115)
at com.google.inject.internal.ProvisionListenerStackCallback$Provision.provision (ProvisionListenerStackCallback.java:133)
at com.google.inject.internal.ProvisionListenerStackCallback.provision (ProvisionListenerStackCallback.java:68)
at com.google.inject.internal.ProviderInternalFactory.circularGet …Run Code Online (Sandbox Code Playgroud) 在运行每个程序时,我Picked up _JAVA_OPTIONS: -Xmx256M在 eclipse 的控制台上收到此消息而没有输出。
我已经尝试过相关的答案,但没有一个在我的案例中有效,而且我没有_JAVA_OPTIONS在环境变量中使用变量。运行时错误:
Picked up _JAVA_OPTIONS: -Xmx256M
ERROR: JDWP Unable to get JNI 1.2 environment, jvm->GetEnv() return code = -2
JDWP exit error AGENT_ERROR_NO_JNI_ENV(183): [util.c:840]
Run Code Online (Sandbox Code Playgroud) 我正在使用Linux ubuntu,我创建了一个名为hola.java的java程序,它是以下程序代码,该程序运行良好
import javax.swing.*;
import java.awt.*;
public class hola extends JFrame {
JButton b1 = new JButton("presionar");
hola(){
super("Botones");
setSize(250,250);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
FlowLayout flo=new FlowLayout();
setLayout(flo);
add(b1);
setVisible(true);
}
public static void main(String[] args)
{
hola bt = new hola();
}
}
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这个java程序在运行时工作得很好现在我在命令行中使用创建了这个程序的jar文件:
jar cf hola.jar hola.class
这将创建一个名为 hola.jar 的 Jar 文件
我什至在manifest.mf文件中写了Main-Class: Hola。
当我尝试通过以下方式运行它时:
java -jar hola.jar
我收到错误:An unexpected error occurred while trying to open file hola.jar
请告诉我如何运行 jar 文件以便获得输出:'(,我无法将此程序作为 jar 文件运行的可能原因是什么,即使该程序使用“java Hola.java”完美运行
我有两个实体,当我使用@ManyToOne注释时,我收到一个错误说"Target Entity is not defined".
我只是按照教程,我似乎无法找到我做错了什么.
@Entity
@Table(name="BEO_TABLE")
public class BeoBean {
@Id
@GeneratedValue
@Column(name="Beo_Id")
private int beoId;
//other variables
@OneToMany(mappedBy="beo")
private List<EventsBean> listOfEvents = new ArrayList<EventsBean>();
//getters and setters
}
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和
@Entity
@Table(name="EVENTS_TABLE")
public class EventsBean {
//other variables
@ManyToOne //error here
@JoinColumn(name="Beo_Id")
private BeoBean beo;
//getters and setters
}
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谢谢你的帮助
我想从视频文件本身中提取我的海报图像,并希望在网页上使用该图像.
我的技术堆栈包括spring mvc,hibernate,jpa,jQuery,jsp,html5,css3.
任何人都可以指导我如何做到这一点?
任何人都可以告诉我,我们如何在Java yyyy-MM-dd-HH.mm.ss.SSSSSS中将日期格式转换为日期 yyyy-MM-dd'T'HH:mm:ss.SSSz,其中输入和输出日期应该是字符串.
我已经使用了apache,DateFormatUtils但是输出中没有给出毫秒数.
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