相关疑难解决方法(0)

从现在到现在,我的Maven 2开始乱七八糟.

我正在使用SPring STS 2.6.1并且有一个基于Spring 3,Hibernate,DWR,Cometd的项目以及所有这些东西.

今天我刚从Git突然更新mvn,我的项目旁边有一个可怕的感叹号(!).

点击"Project - > Maven - > Update dependencies"后我收到:

24.05.11 15:26:58 MESZ: Missing artifact org.jdom:jdom:jar:1.1:compile
24.05.11 15:26:58 MESZ: Missing artifact org.apache.solr:solr-common:jar:1.3.0:compile
24.05.11 15:26:58 MESZ: Missing artifact org.apache.solr:solr-core:jar:1.3.0:compile
24.05.11 15:26:58 MESZ: Missing artifact org.apache.solr:solr-solrj:jar:1.3.0:compile
24.05.11 15:26:58 MESZ: Missing artifact stax:stax:jar:1.2.0:compile
24.05.11 15:26:58 MESZ: Missing artifact stax:stax-api:jar:1.0.1:compile
24.05.11 15:26:58 MESZ: Missing artifact org.apache.solr:solr-lucene-analyzers:jar:1.3.0:compile
24.05.11 15:26:58 MESZ: Missing artifact org.apache.solr:solr-lucene-core:jar:1.3.0:compile
24.05.11 15:26:58 MESZ: Missing artifact org.apache.solr:solr-lucene-highlighter:jar:1.3.0:compile
24.05.11 15:26:58 MESZ: Missing artifact org.apache.solr:solr-lucene-queries:jar:1.3.0:compile
24.05.11 15:26:58 MESZ: …

我的Maven安装(Windows 7 64位)有一个.cache几乎3.5GB 的目录!它只包含一个m2e目录.(我正在使用m2e运行Eclipse 4.3M7.)目前内部所有内容都不需要,而且我甚至不知道这些东西是什么!我在.cache网上找不到目录的Maven文档.

那么.m2/repository/.cache和.m2/repository/.cache/m2e目录是什么？他们为什么多年前有这么多东西？我如何处理不再需要的所有东西？

每次我在eclipse中更改我的pom.xml时都会收到错误消息.

Build errors for myapp; org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.0.2:compile (default-compile) on project web: Compilation failure
Unable to locate the Javac Compiler in:
  C:\Program Files (x86)\Java\jre6\..\lib\tools.jar
Please ensure you are using JDK 1.4 or above and
not a JRE (the com.sun.tools.javac.Main class is required).
In most cases you can change the location of your Java
installation by setting the JAVA_HOME environment variable

我已经设置了JAVA_HOME环境变量.它是:JAVA_HOME = D:\ Java\jdk1.6.0_23

谢谢.

我有最新的STS4.I我使用安装的java-1.8 jdk未嵌入作为执行环境.我的项目运行正常没有任何问题.

但是当我启动STS应用程序本身时,我弹出一个"Missing tools.jar" 我已经尝试过了

1. 我试过将JAVA_HOME指向不同的Jdk
2. 在.ini文件中添加了-vm args.

然而,我无法摆脱这种弹出.

我尝试在带有ARM处理器的三星Chromebook Series 3上安装Android Studio,但我坚持使用Java.任何帮助,将不胜感激.

Downloaded and extracted Android Studio
Downloaded and extracted Java 1.7.0_21 JDK ARM
Completed the below commands except the javaws commands as they error-ed out doesn't exist

tar xzvf ~/Downloads/jdk-7u21-linux-arm.tar.gz sudo mv jdk1.7.0_21/ /usr/lib/jvm/ 
sudo update-alternatives --install /usr/bin/java java /usr/lib/jvm/jdk1.7.0_21/bin/java 1 
sudo update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/jdk1.7.0_21/bin/javac 1 sudo update-alternatives --install /usr/bin/javaws javaws /usr/lib/jvm/jdk1.7.0_21/bin/javaws 1 
sudo update-alternatives --config java 
sudo update-alternatives --config javaws

我尝试了JAVA_HOME=/usr/lib/jvm/jdk1.7.0_21命令,它仍然会给我错误.