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scala 遇到过的问题

2024-09-03 15:16:43   221人阅读

1：在我安装完scala的插件后，在打开方法的实现类（open implementactions）的时候，抛出这个异常，后来发现这个异常是因为我的scala的插件跟我eclipse版本不兼容导致的。

An error occurred while searching for implementations of method ‘getFinishOrdCustByOrderCode‘. See error log for details.
org.eclipse.jdt.internal.core.hierarchy.HierarchyType.<init>(Lorg/eclipse/jdt/core/IType;[CI[C[[C)V

 

解决办法：
我的eclipse版本是
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version:Mars.2 release (4,5,2)
新下载的scala版本是
4.0.0 release for scala 2.11.6
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再次安装没有上面问题可以解决
 
 
 
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2：在写完scala代码的后，出现异常错误（缺少依赖的jar）
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missing or invalid dependency detected while loading class file
‘RDDOperationScope.class‘. Could not access term annotation in value com.jackson, because
it (or its dependencies) are missing. Check your build definition for missing or conflicting
dependencies. (Re-run with `-Ylog-classpath` to see the problematic classpath.)
A full rebuild may help if ‘RDDOperationScope.class‘ was compiled against an incompatible
version of com.jackson.    scala_1    Unknown    Scala Problem

 

missing or invalid dependency detected while loading class file ‘RDDOperationScope.class‘.
Could not access term JsonInclude in value com.annotation, because it (or its
are missing. Check your build definition for missing or conflicting dependencies.
(Re-run with `-Ylog-classpath` to see the problematic classpath.) A full rebuild may help if
‘RDDOperationScope.class‘ was compiled against an incompatible version of com.annotation.
scala_1    Unknown    Scala Problem

 

missing or invalid dependency detected while loading class file
‘RDDOperationScope.class‘. Could not access term jackson in value com.fasterxml,
because it (or its dependencies) are missing. Check your build definition for missing or
conflicting dependencies. (Re-run with `-Ylog-classpath` to see the problematic classpath.)
A full rebuild may help if ‘RDDOperationScope.class‘ was compiled against an incompatible
version of com.fasterxml.    scala_1    Unknown    Scala Problem

 

missing or invalid dependency detected while loading class file ‘RDDOperationScope.class‘.
Could not access term annotation in value com.jackson, because it
(or its dependencies) are missing. Check your build definition for missing or conflicting dependencies.
(Re-run with `-Ylog-classpath` to see the problematic classpath.)
A full rebuild may help if ‘RDDOperationScope.class‘
was compiled against an incompatible version of com.jackson.    scala_1
Unknown    Scala Problem ////////////////////////////////缺少jackson包

 

missing or invalid dependency detected while loading class file ‘RDD.class‘.
Could not access term io in package org.apache.hadoop, because it (or its dependencies)
are missing. Check your build definition for missing or conflicting dependencies.
(Re-run with `-Ylog-classpath` to see the problematic classpath.) A full rebuild may help if
‘RDD.class‘ was compiled against an incompatible version of org.apache.hadoop.    scala_1
Unknown    Scala Problem //////////////////////////////缺少hadoop




 




 














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