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POJSP EL (Expression Language) causing problems in Eclipse
 

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  1. POJSP EL (Expression Language) causing problems in Eclipse
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    <p>My system: Ubuntu 9.10. Eclipse 3.5.1 with Java EE 1.2.1 (manual install - NOT from synaptic). Web Developer Tools 3.1.1</p> <p>I've recently adopted someone else's code (a Dynamic Web Project), and run into lots of errors, warnings and incorrect syntax highlighting in Eclipse. I've narrowed it down to these 4 lines of code (create a new Dynamic Web Project, and then a new JSP page, and put this in the body):</p> <pre><code>${(1&lt;2)? "" : "no"} &lt;%for (int i = 0; i &lt; 5; i++) {%&gt; &lt;div&gt;${5}&lt;/div&gt; &lt;%}%&gt; </code></pre> <p><strong>Errors / Warnings / Incorrect syntax highlighting</strong></p> <blockquote> <p>line1: yellow warning line under '&lt;': Invalid character used in text string (${(1&lt;2)? "yes" : "no"}).</p> <p>line2: red error line under 'f': Multiple annotations found at this line: 1) Syntax error, insert "Finally" to complete TryStatement. 2) Syntax error, insert "}" to complete ClassBody</p> <p>line2: red error line under ')': Syntax error on token ")", try expected after this token</p> <p>line3: yellow warning line under 'div': No end tag (/div).</p> <p>line3: yellow warning line under '&lt;' of closing div: Multiple annotations found at this line: 1) Invalid character used in text string (${5} &lt;%}%>). 2) Invalid character used in text string (${5} &lt;%}%>).</p> <p>line3: '/div' is black and purple (for scriptlet code?) instead of green for HTML code</p> <p>line4: The opening and closing scriplet tags '&lt;%' and '%>' are black instead of orange</p> </blockquote> <p>The page works as expected in a browser: you get '5' five times. If you change the empty quotes on line 1 to "yes" then save, close the file in the editor, r click it in the project explorer > validate, then re-open it: all errors / warnings / incorrect syntax highlighting disappear, except the first one (invalid character). This is incredibly irritating. Any thoughts would be greatly appreciated.</p>
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    1. COYes, the Eclipse JSTL editor support is crap.
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      1. POJSP EL (Expression Language) causing problems in Eclipse
      1. USJonathan Feinberg
    2. COCan anybody else confirm the same behaviour (if you create a new Dynamic Web Project, and then a new JSP page, and put the above quoted code in the html body)? You may need to save, close, validate and re-open to see the errors/warnings. Thanks. P.s. this is another (probably related) problem; why is it that new errors/warnings only appear if you save, close, validate and re-open the file? It makes it kind of un-usable...
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