[jira] [Work logged] (WW-5546) NPE in AbstractFileUploadInterceptor

[ASF GitHub Bot (Jira)]

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https://issues.apache.org/jira/browse/WW-5546?focusedWorklogId=968539&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-968539
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ASF GitHub Bot logged work on WW-5546:
--------------------------------------

                Author: ASF GitHub Bot
            Created on: 05/May/25 16:22
            Start Date: 05/May/25 16:22
    Worklog Time Spent: 10m 
      Work Description: sonarqubecloud[bot] commented on PR #1262:
URL: https://github.com/apache/struts/pull/1262#issuecomment-2851537613

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Issue Time Tracking
-------------------

    Worklog Id:     (was: 968539)
    Time Spent: 20m  (was: 10m)

> NPE in AbstractFileUploadInterceptor
> ------------------------------------
>
>                 Key: WW-5546
>                 URL: https://issues.apache.org/jira/browse/WW-5546
>             Project: Struts 2
>          Issue Type: Bug
>          Components: Core, Core Interceptors
>    Affects Versions: 6.7.4
>            Reporter: Barta Tamás
>            Assignee: Lukasz Lenart
>            Priority: Major
>             Fix For: 6.8.0, 7.1.0
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> I got the following exception:
>  
> {code:java}
> java.lang.NullPointerException: Cannot invoke "java.io.File.length()" because 
> "this.file" is null
>         at 
> deployment.deployment.ear//org.apache.struts2.dispatcher.multipart.StrutsUploadedFile.length(StrutsUploadedFile.java:52)
>         at 
> deployment.deployment.ear//org.apache.struts2.interceptor.AbstractFileUploadInterceptor.acceptFile(AbstractFileUploadInterceptor.java:133)
>         at 
> deployment.deployment.ear//org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:232)
>         at 
> deployment.deployment.ear//com.opensymphony.xwork2.interceptor.AbstractInterceptor.intercept(AbstractInterceptor.java:36)
>         at 
> deployment.deployment.ear//com.opensymphony.xwork2.DefaultActionInvocation.executeConditional(DefaultActionInvocation.java:303)
>  {code}
> I think the bug is in AbstractFileUploadInterceptor:
>  
>  
> {code:java}
> if (file.getContent() == null) {
>    String errMsg = getTextMessage(action, 
> STRUTS_MESSAGES_ERROR_UPLOADING_KEY, new String[]{originalFilename});         
>   
>    errorMessages.add(errMsg);
>    LOG.warn(errMsg);
> }
> if (maximumSize != null && maximumSize < file.length()) { {code}
> If file.getContent() is null (which means StrutsUploadedFile.file is null), 
> then warning is logged but there is no "return false" so execution continues 
> and file.length() will throw NPE as file is null in StrutsUploadedFile.
>  



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