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From "Lukasz Lenart (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (WW-4723) s:url incompatible with JDK 1.5
Date Sun, 11 Nov 2018 07:32:01 GMT

     [ https://issues.apache.org/jira/browse/WW-4723?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lukasz Lenart updated WW-4723:
------------------------------
    Fix Version/s:     (was: 2.3.x)
                   2.6

> s:url incompatible with JDK 1.5
> -------------------------------
>
>                 Key: WW-4723
>                 URL: https://issues.apache.org/jira/browse/WW-4723
>             Project: Struts 2
>          Issue Type: Bug
>          Components: Core, Core Tags
>    Affects Versions: 2.3.28, 2.3.29, 2.3.30, 2.3.31
>         Environment: JBoss 4.3 on JDK 1.5
>            Reporter: mauro antonaci
>            Priority: Blocker
>             Fix For: 2.6
>
>
> problem: _s:url_ tag on an application server running on JDK 1.5 (ex. JBoss 4.3) fails
in some cases due to an incompatibility with JDK in class _org.apache.struts2.util.tomcat.buf.UDecoder_.
Here an error stracktrace:
> {noformat}
> ava.lang.NoSuchMethodError: java.lang.String.getBytes(Ljava/nio/charset/Charset;)[B
> at org.apache.struts2.util.tomcat.buf.UDecoder.URLDecode(UDecoder.java:328)
> at org.apache.struts2.util.tomcat.buf.UDecoder.URLDecode(UDecoder.java:302)
> at org.apache.struts2.util.URLDecoderUtil.decode(URLDecoderUtil.java:19)
> at org.apache.struts2.views.util.DefaultUrlHelper.decode(DefaultUrlHelper.java:286)
> at org.apache.struts2.views.util.DefaultUrlHelper.parseQueryString(DefaultUrlHelper.java:311)
> at org.apache.struts2.components.ServletUrlRenderer.includeGetParameters(ServletUrlRenderer.java:288)
> at org.apache.struts2.components.ServletUrlRenderer.beforeRenderUrl(ServletUrlRenderer.java:261)
> at org.apache.struts2.components.PortletUrlRenderer.beforeRenderUrl(PortletUrlRenderer.java:204)
> at org.apache.struts2.components.URL.start(URL.java:142)
> at org.apache.struts2.views.jsp.ComponentTagSupport.doStartTag(ComponentTagSupport.java:54)
> at org.apache.jsp.jsp.cpRicercaPercorso_jsp._jspx_meth_s_005furl_005f0(cpRicercaPercorso_jsp.java:1848)
> ...
> {noformat}
> The code is:
> {code:java}
> public static String URLDecode(String str, String enc, boolean isQuery) {
>         if (str == null)
>             return (null);
>         // use the specified encoding to extract bytes out of the
>         // given string so that the encoding is not lost. If an
>         // encoding is not specified, use ISO-8859-1
>         byte[] bytes = null;
>         try {
>             if (enc == null) {
>                 bytes = str.getBytes("ISO-8859-1");
>             } else {
>                 bytes = str.getBytes(B2CConverter.getCharset(enc));
>             }
>         } catch (UnsupportedEncodingException uee) {
>             if (log.isDebugEnabled()) {
>                 log.debug("Unable to URL decode the specified input since the encoding
"+ enc + " is not supported.", uee);
>             }
>         }
>         return URLDecode(bytes, enc, isQuery);
>     }
> {code}
> Struts2 (ex. v. 2.3.31) is compiled with target JDK 1.5 but, method _getBytes(Charset)_
is only available since JDK 1.6. 
> I suppose that this should be considered a bug because I suppose that Struts2 2.3.31,
being compiled with target 1.5, should be considered compatible with JDK 1.5... but maybe
this is a wrong assumption. I didn't find any explicit compatibility matrix on docs...
> The problem was *not* present in v. 2.3.24.



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