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https://issues.apache.org/jira/browse/TAP5-272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12643248#action_12643248
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Howard M. Lewis Ship commented on TAP5-272:
-------------------------------------------
The only solution I can see for this is to add an "incomplete" flag to the
UploadedFile interface. I believe that once we hit this exception, we can't
count on getting any other uploaded files, or potentially, any of the other
query parameters. Possibly the correct course is to identify the page, and
trigger a specific event to indicate the failure.
> Exceeding file size limit throws uncatchable RuntimeException
> -------------------------------------------------------------
>
> Key: TAP5-272
> URL: https://issues.apache.org/jira/browse/TAP5-272
> Project: Tapestry 5
> Issue Type: Bug
> Environment: Windows XP, Java 1.6, Sun Java Application Server 9.1
> Reporter: Joel Wiegman
>
> When including the following code in my app module to limit file size on an
> upload:
> public void contributeApplicationDefaults(MappedConfiguration<String,
> String> configuration) {
> configuration.add(UploadSymbols.FILESIZE_MAX, "1500000");
> }
> An following internal Tapestry exception gets thrown to the application
> server VM, which is of course uncatchable in application code.
> [#|2008-10-07T12:27:17.904-0400|SEVERE|Servlet.service() for servlet default
> threw exception
> java.lang.RuntimeException: Unable to decode multipart encoded request.
> at
> org.apache.tapestry5.upload.internal.services.MultipartDecoderImpl.parseRequest(MultipartDecoderImpl.java:116)
> at
> org.apache.tapestry5.upload.internal.services.MultipartDecoderImpl.decode(MultipartDecoderImpl.java:94)
> at
> $MultipartDecoder_11cd7ca67c8.decode($MultipartDecoder_11cd7ca67c8.java)
> at
> $MultipartDecoder_11cd7ca668e.decode($MultipartDecoder_11cd7ca668e.java)
> at
> org.apache.tapestry5.upload.internal.services.MultipartServletRequestFilter.service(MultipartServletRequestFilter.java:41)
> at
> $HttpServletRequestHandler_11cd7ca6691.service($HttpServletRequestHandler_11cd7ca6691.java)
> at
> org.apache.tapestry5.internal.services.IgnoredPathsFilter.service(IgnoredPathsFilter.java:62)
> at
> $HttpServletRequestFilter_11cd7ca668f.service($HttpServletRequestFilter_11cd7ca668f.java)
> at
> $HttpServletRequestHandler_11cd7ca6691.service($HttpServletRequestHandler_11cd7ca6691.java)
> at
> $HttpServletRequestHandler_11cd7ca668d.service($HttpServletRequestHandler_11cd7ca668d.java)
> at org.apache.tapestry5.TapestryFilter.doFilter(TapestryFilter.java:177)
> ......
> Caused by:
> org.apache.commons.fileupload.FileUploadBase$FileSizeLimitExceededException:
> The field fileToUpload exceeds its maximum permitted size of 1500000
> characters.
> at
> org.apache.commons.fileupload.FileUploadBase$FileItemIteratorImpl$FileItemStreamImpl$1.raiseError(FileUploadBase.java:645)
> at
> org.apache.commons.fileupload.util.LimitedInputStream.checkLimit(LimitedInputStream.java:71)
> at
> org.apache.commons.fileupload.util.LimitedInputStream.read(LimitedInputStream.java:128)
> at java.io.FilterInputStream.read(FilterInputStream.java:90)
> at org.apache.commons.fileupload.util.Streams.copy(Streams.java:94)
> at org.apache.commons.fileupload.util.Streams.copy(Streams.java:64)
> at
> org.apache.commons.fileupload.FileUploadBase.parseRequest(FileUploadBase.java:354)
> at
> org.apache.commons.fileupload.servlet.ServletFileUpload.parseRequest(ServletFileUpload.java:126)
> at
> org.apache.tapestry5.upload.internal.services.MultipartDecoderImpl.parseRequest(MultipartDecoderImpl.java:112)
> ... 61 more
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