blocks|key|2854695|text|红色地面上的十字表示此文件中的错误，而黄色地面上的问号表示警告。您可以在eclipse的Problems选项卡中看到它们：|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|2854696|​|2854697|📷|atomic|2854698|2854699|您可以在Window+->+Preferences下自定义被视为错误和警告的内容，然后搜索errors/warnings+(也可以查看文档：Java+Compiler+Errors/Warnings+Preferences|CODE|2854700|除了资源上的标记之外，您还可以在滚动条旁边的打开文件中看到错误和警告：|2854701|2854702|2854703|2854704|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/f5543d26be4629871b94e390b07df743.png|imageAlt|1|LINK|MUTABLE|url|http://help.eclipse.org/helios/topic/org.eclipse.jdt.doc.user/reference/preferences/java/compiler/ref-preferences-errors-warnings.htm|2|https://ask.qcloudimg.com/http-save/yehe-900000/795dde7d2e3e6f7673e23e58ef21042a.png^0|18|B|0|0|0|1|0|0|0|4|L|19|F|1Y|15|1|0|0|0|0|1|2|0|0^^$0|@$1|2|3|4|5|6|7|19|8|@$9|1A|A|1B|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|1C|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|1D|8|@]|D|@$9|1E|A|1F|1|1G]]|E|$]]|$1|K|3|G|5|6|7|1H|8|@]|D|@]|E|$]]|$1|L|3|M|5|6|7|1I|8|@$9|1J|A|1K|B|N]|$9|1L|A|1M|B|N]]|D|@$9|1N|A|1O|1|1P]]|E|$]]|$1|O|3|P|5|6|7|1Q|8|@]|D|@]|E|$]]|$1|Q|3|G|5|6|7|1R|8|@]|D|@]|E|$]]|$1|R|3|I|5|J|7|1S|8|@]|D|@$9|1T|A|1U|1|1V]]|E|$]]|$1|S|3|G|5|6|7|1W|8|@]|D|@]|E|$]]|$1|T|3|-4|5|6|7|1X|8|@]|D|@]|E|$]]]|U|$V|$5|W|X|Y|E|$Z|10|11|-4]]|12|$5|13|X|14|E|$15|16]]|17|$5|W|X|Y|E|$Z|18|11|-4]]]]

The cross on red ground means an error in this file, while a question mark on yellow ground indicates a warning. You can see them in the Problems tab in eclipse:

<img src="https://i.stack.imgur.com/v06Ui.png" alt="Eclipse problems tab">

You can customize what is treated as an error and as a warning under <code>Window -&gt; Preferences</code> and then search for <code>errors/warnings</code> (Also take a look at the docs: <a href="http://help.eclipse.org/helios/topic/org.eclipse.jdt.doc.user/reference/preferences/java/compiler/ref-preferences-errors-warnings.htm" rel="noreferrer">Java Compiler Errors/Warnings Preferences</a>

In addition to the markings on the resources, you can see errors and warnings in an open file next to the scroll bar:

<img src="https://i.stack.imgur.com/h5RmD.png" alt="enter image description here">

blocks|key|3340047|text|十字符号表示文件web.xml有错误。此外，可能'jsp‘和'lib’目录中的一些文件也有错误。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3340048|黄色三角形是警告。要查看所有内容的详细信息，请访问Window+->+Show+view+->+Problems|offset|length|style|CODE|3340049|entityMap^0|0|P|V|0^^$0|@$1|2|3|4|5|6|7|J|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|K|8|@$D|L|E|M|F|G]]|9|@]|A|$]]|$1|H|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|I|$]]

The cross sign indicates that the file web.xml has some error. Also, possibly some files within the 'jsp' and 'lib' directories also have error.

The yellow triangles are warnings. To see the details of all, Go to <code>Window -&gt; Show view -&gt; Problems</code>

blocks|key|5069665|text|是的，这意味着你有一个错误，而带有感叹号的黄色三角形意味着你有一个警告。您可以通过打开文件来查看错误。出现错误的行将在左边距处显示错误标记。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|5069666|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

Yes, it means you have an error, whereas the yellow triangle with the exclamation mark means you have a warning.
You can view the error by opening the file. The line with the error will an error mark on the left margin.

blocks|key|5069668|text|这意味着您的项目包含错误，如果出现红叉的话。|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|5069669|entityMap^0|A|2|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|K|8|@]|D|@]|E|$]]]|G|$]]

It means your projects contains error, if appears red-cross.

blocks|key|4979587|text|十字符号显示该源中的错误，三角形表示源中有一些警告|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4979588|只需打开这些文件就可以在源代码编辑器的行和标记下找到红色的x，如果警告在源代码编辑器的侧边栏中显示为带有!的三角形|offset|length|style|CODE|4979589|如果您的源代码很大，那么您可以使用快捷方式ctrl+%2B+.来查看源文件中的错误。以下快捷方式将从上到下移动到eclipse中的警告和错误|4979590|查看eclipse中错误的几个快捷方式：|4979591|Next+error:+`Ctrl+%2B+.`
Previous+error:+`Ctrl+%2B+,`
Quick+fixes:+`Ctrl+%2B+1`|code-block|syntax|javascript|4979592|entityMap^0|0|T|1|1G|1|0|L|8|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|T|8|@$D|U|E|V|F|G]|$D|W|E|X|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|Y|8|@$D|Z|E|10|F|G]]|9|@]|A|$]]|$1|J|3|K|5|6|7|11|8|@]|9|@]|A|$]]|$1|L|3|M|5|N|7|12|8|@]|9|@]|A|$O|P]]|$1|Q|3|-4|5|6|7|13|8|@]|9|@]|A|$]]]|R|$]]

Cross sign shows the error in that Source,Triangle indicates that your source has some warinings 

Just open those files could find the Red <code>x</code> under line and marks in the source editor , if warnings will be displayed as Triangle with <code>!</code> in the side bar of the source editor

If your source code is large then you can use shortcut <code>ctrl + .</code> to see the errors in the source file. The following shortcuts will move to the warnings and errors from top to bottom in your eclipse 

Few shortcuts to see the errors in eclipse:

<pre><code>Next error: `Ctrl + .`
Previous error: `Ctrl + ,`
Quick fixes: `Ctrl + 1`
</code></pre>

blocks|key|2854775|text|看起来你的项目包含错误，如果它显示了红叉|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2854776|您可以查看Window+>+Show+View+>+Problems的一般方式|offset|length|style|CODE|2854777|使用shut+cut+key+Alt%2BShift%2BQ,X的简便方法|2854778|entityMap^0|0|5|T|0|F|D|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|M|8|@$D|N|E|O|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|P|8|@$D|Q|E|R|F|G]]|9|@]|A|$]]|$1|J|3|-4|5|6|7|S|8|@]|9|@]|A|$]]]|K|$]]

It seems that your project contains error,if it shows red-cross

General way you can see <code>Window &gt; Show View &gt; Problems</code>

The easy way using shut cut key <code>Alt+Shift+Q,X</code>

blocks|key|4979651|text|我没有看到任何人提到一件可能会让初学者感到困惑的事情:红色的X出现在文件中，错误为，而出现在它的所有父级上。当您的树被折叠时，这些其他标记非常方便-它们会将您带到错误的文件，但在查看展开的树时也会导致混淆。|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|4979652|每个标有红色X注释的错误也会出现在Problems视图中，如果视图的过滤器被正确配置为，则为。您可以通过视图的本地菜单(通过视图标题栏右上角的向下小三角形访问)来配置过滤器。|4979653|entityMap^0|15|2|0|1A|15|0^^$0|@$1|2|3|4|5|6|7|J|8|@$9|K|A|L|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|M|8|@$9|N|A|O|B|C]]|D|@]|E|$]]|$1|H|3|-4|5|6|7|P|8|@]|D|@]|E|$]]]|I|$]]

I don't see anyone mentioning one thing that may be confusing to a beginner: the red X appears on the file with the error as well as on all its parents. These other marks are a great convenience when your tree is collapsed&mdash;they lead you to the file in error, but can also cause confusion when viewing an expanded tree.

Every error marked with the red X annotation also appears in the Problems view, if the view's filter is properly configured. You configure the filter through the view's local menu (accessed through the little downward-facing triangle in the top-right corner of the view's title bar).

I have a project opened in eclipse, its a java web application. In eclipse I can see that there is a red cross sign with my project name, On expanding my project I can see many files have the same red cross sign.

What does this cross sign means in eclipse? Is it showing some compilation error? if error how can I see the error? Also what does that triangle icon means?

<img src="https://i.stack.imgur.com/lPmiX.png" alt="enter image description here">

Please check the screenshot above and see the <code>cross and triangle</code> signs...

what does cross sign means in eclipse

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我在eclipse中打开了一个项目，它是一个java web应用程序。在eclipse中，我可以看到有一个带有我的项目名称的十字记号，在展开我的项目时，我可以看到许多文件都有相同的十字记号。这个十字符号在月食中是什么意思？它是否显示了一些编译错误？如果出错，我如何才能看到错误？另外，那个三角形图标是什么意思？​​请检查...

问在eclipse中，十字符号是什么意思？
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问在eclipse中，十字符号是什么意思？EN