Eclipse4.5版本安装程序不能创建目录错误5Maven项目时出现这种错误Pom.xml上面错误

eclipse 建立maven项目 显示红叉的解决方法
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eclipse 建立maven项目 显示红叉的解决方法
1.建立好之后就会发现项目有红叉。
这时发现查查在main处,打开项目》属性》Java Build Path》source,发现里边有红叉(如下图),这是由于我们的src/main下没有建立对应的编译路径main/java和test/java造成的,故添加这两个编译文件夹。
添加好编译文件夹之后,发现红叉还没有消失,这时发现红叉是由于index.jsp页面中的The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path错误产生的,这个问题是由于项目没有引入servlet-api.jar造成的,所以需要把tomcat的运行时环境添加进来。项目》属性》Libraries》Add Library》Server Runtime》Tomcat,OK。
现在项目中的红叉没有了,取而代之的是个感叹号。我们发现感叹号打在java resources上,而打开里边却没有感叹号。经过多次测试,发现这是由于项目引用的jre System Libarary的版本和本机上装载的java版本不一致造成的,所以只要在项目》属性》java Build Path》Libraries》JRE System Libary的版本改成本机搭载的java版本就可以了,对了还有最后一步,就是去Project Facets中把java的版本也改成本机java的版本。
经过以上几部,项目中的叉叉感叹号就消失了。
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喜欢该文的人也喜欢01:29 提问
创建maven项目时pom.xml老是报错,求解
错误提示:Failure to transfer com.thoughtworks.xstream:xstream:jar:1.3.1 from
was cached in the local repository, resolution will not be
reattempted until the update interval of central has elapsed or updates are forced. Original error: Could not transfer artifact
com.thoughtworks.xstream:xstream:jar:1.3.1 from/to central ( No response received after 60000
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首先这个问题我也经常遇到
其次,看看报错的点,可能是maven没有成功导入相关的jar包,需要放到maven的文件里或者百度一下maven导包
最后可以进行maven的更新来看看,有时候我一更新就不报错了
是不是缺少maven-archetype-webapp-1.0.jar
mvn install:install-file -DgroupId=org.apache.maven.archetypes -DartifactId=maven-archetype-webapp -Dversion=1.0 -Dpackaging=jar -Dfile=maven-archetype-webapp-1.0.jar
这个有可能是 pom中maven 依赖有问题 或者下载不下来
其他相似问题<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
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请您点击按钮解除封锁&eclipse创建maven工程时报错使用的是官方的Eclipse中自带的m2e插件,创建maven项目时就弹出个错误在pom.xml文件那会显示个红X,提示如下:Multipleannotation
eclipse创建maven工程时报错
使用的是官方的Eclipse中自带的m2e插件,创建maven项目时就弹出个错误
在pom.xml文件那会显示个红X,提示如下:
Multiple annotations found at this line:
- Plugin execution not covered by lifecycle configuration: org.apache.maven.plugins:maven-compiler-plugin:3.1:testCompile (execution: default-testCompile, phase: test-
- Execution default-resources of goal org.apache.maven.plugins:maven-resources-plugin:2.6:resources failed: Plugin org.apache.maven.plugins:maven-resources-plugin:2.6
or one of its dependencies could not be resolved: The following artifacts could not be resolved: org.apache.maven:maven-plugin-api:jar:2.0.6, org.apache.maven:maven-
project:jar:2.0.6, org.apache.maven:maven-profile:jar:2.0.6, org.apache.maven:maven-artifact-manager:jar:2.0.6, org.apache.maven:maven-plugin-registry:jar:2.0.6,
org.apache.maven:maven-core:jar:2.0.6, org.apache.maven:maven-plugin-parameter-documenter:jar:2.0.6, org.apache.maven:maven-repository-metadata:jar:2.0.6,
org.apache.maven:maven-error-diagnostics:jar:2.0.6, org.apache.maven:maven-plugin-descriptor:jar:2.0.6, org.apache.maven:maven-artifact:jar:2.0.6, org.apache.maven:maven-
settings:jar:2.0.6, org.apache.maven:maven-model:jar:2.0.6, org.apache.maven:maven-monitor:jar:2.0.6, org.codehaus.plexus:plexus-container-default:jar:1.0-alpha-9-stable-1:
Failure to transfer org.apache.maven:maven-plugin-api:jar:2.0.6 from
was cached in the local repository, resolution will not be reattempted
until the update interval of central has elapsed or updates are forced. Original error: Could not transfer artifact org.apache.maven:maven-plugin-api:jar:2.0.6 from/to central
( The operation was cancelled. (org.apache.maven.plugins:maven-resources-plugin:2.6:resources:default-resources:process-resources)
org.apache.maven.plugin.PluginExecutionException: Execution default-resources of goal org.apache.maven.plugins:maven-resources-plugin:2.6:resources failed: Plugin
org.apache.maven.plugins:maven-resources-plugin:2.6 or one of its dependencies could not be resolved: The following artifacts could not be resolved: org.apache.maven:maven-
plugin-api:jar:2.0.6, org.apache.maven:maven-project:jar:2.0.6, org.apache.maven:maven-profile:jar:2.0.6, org.apache.maven:maven-artifact-manager:jar:2.0.6,
org.apache.maven:maven-plugin-registry:jar:2.0.6, org.apache.maven:maven-core:jar:2.0.6, org.apache.maven:maven-plugin-parameter-documenter:jar:2.0.6,
org.apache.maven:maven-repository-metadata:jar:2.0.6, org.apache.maven:maven-error-diagnostics:jar:2.0.6, org.apache.maven:maven-plugin-descriptor:jar:2.0.6,
org.apache.maven:maven-artifact:jar:2.0.6, org.apache.maven:maven-settings:jar:2.0.6, org.apache.maven:maven-model:jar:2.0.6, org.apache.maven:maven-monitor:jar:2.0.6,
org.codehaus.plexus:plexus-container-default:jar:1.0-alpha-9-stable-1: Failure to transfer org.apache.maven:maven-plugin-api:jar:2.0.6 from
maven2 was cached in the local repository, resolution will not be reattempted until the update interval of central has elapsed or updates are forced. Original error: Could not
transfer artifact org.apache.maven:maven-plugin-api:jar:2.0.6 from/to central ( The operation was cancelled. at
org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:106) at
org.eclipse.m2e.core.internal.embedder.MavenImpl.execute(MavenImpl.java:331) at org.eclipse.m2e.core.internal.embedder.MavenImpl$11.call(MavenImpl.java:1362) at
org.eclipse.m2e.core.internal.embedder.MavenImpl$11.call(MavenImpl.java:1) at
org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:176) at
org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:112) at
org.eclipse.m2e.core.internal.embedder.MavenImpl.execute(MavenImpl.java:1360) at
org.eclipse.m2e.core.project.configurator.MojoExecutionBuildParticipant.build(MojoExecutionBuildParticipant.java:52) at
org.eclipse.m2e.core.internal.builder.MavenBuilderImpl.build(MavenBuilderImpl.java:137) at org.eclipse.m2e.core.internal.builder.MavenBuilder$1.method(MavenBuilder.java:172) at
org.eclipse.m2e.core.internal.builder.MavenBuilder$1.method(MavenBuilder.java:1) at org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod$1$1.call(MavenBuilder.java:
115) at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:176) at
org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:112) at org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod
$1.call(MavenBuilder.java:105) at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:176) at
org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:151) at
org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:99) at org.eclipse.m2e.core.internal.builder.MavenBuilder
$BuildMethod.execute(MavenBuilder.java:86) at org.eclipse.m2e.core.internal.builder.MavenBuilder.build(MavenBuilder.java:200) at org.eclipse.core.internal.events.BuildManager
$2.run(BuildManager.java:734) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:205)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:245) at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:300) at
org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:303) at
org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:359) at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:382) at
org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:144) at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:235) at
org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: org.apache.maven.plugin.PluginResolutionException: Plugin org.apache.maven.plugins:maven-resources-
plugin:2.6 or one of its dependencies could not be resolved: The following artifacts could not be resolved: org.apache.maven:maven-plugin-api:jar:2.0.6, org.apache.maven:maven-
project:jar:2.0.6, org.apache.maven:maven-profile:jar:2.0.6,
请问如何解决?谢谢
本机安装的maven是3.2.2
eclipse是4.5
最后也不知道什么原因,重新下了eclipse就没有问题了
有可能是maven的版本太高了。eclipse哪个版本的。maven哪个版本的
解决方案二:
试下使用maven 更新下工程呢?
解决方案三:
解决方案四:
本机安装的maven是3.2.2
eclipse是4.5
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