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Asked: 2026-06-04T08:29:14+00:00

I’ve found a number of possible matches to this problem but none that work

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I’ve found a number of possible matches to this problem but none that work for me.

I’m using Apache Camel to deliver a file as an email attachement. It works perfectly using the following maven goals:

jetty:run
jetty:run-exploded
jetty:run-war

I’m using java 1.6. My deployment container is tomcat6. In tomcat6 and tomcat7 I get the following exception:

org.springframework.mail.MailSendException: Failed messages: javax.mail.MessagingException: Missing start boundary; message exception details (1) are:
Failed message 1:
javax.mail.MessagingException: Missing start boundary
at javax.mail.internet.MimeMultipart.parsebm(MimeMultipart.java:882)

The advice on the web suggests this is a class loader problem. Its either that the activation-1.1.jar or mail-1.4.4.jar files are not being found, or the mailcap file in mail-1.4.4.jar is not being found.

I’ve tried putting these jar files in tomcat/lib. I’ve tried copying the mailcap from the jar file into the META-INF directory of the exploded war. Neither of these make a difference.

Versions:

Windows: Apache Tomcat/7.0.5 JDK 1.6.0_27-b07 Apache Camel 2.8.0-fuse-00-08

Linux – the versions that come with ubuntu 10.04 LTS – I’ll check these later and add.

This is a simplified version of my camel routes:

<route id="uploadFileForm">
    <from uri="jetty:http://0.0.0.0:9095/premier"/>
    <to uri="velocity:form.html"/>
</route>
<route id="uploadFile">
    <from uri="jetty:http://0.0.0.0:9095/fup"/>
    <to uri="log:mail?showBody=true&amp;showHeaders=true"/>
    <to uri="smtp://localhost"/>
    <setHeader headerName="content-type"><constant>text/plain</constant></setHeader>
    <setBody><constant>Message Sent</constant></setBody>
</route>

This is what the log shows:

[4 - seda://mail-ws-audio-files] mail                           INFO  Exchange[ExchangePattern:InOut, Headers:{Connection=Keep-Alive, CamelHttpServletRequest=org.eclipse.jetty.servlets.MultiPartFilter$Wrapper@bb32c5, upfile=D:downloads!37SQFTS.pdf, CamelHttpPath=/fup, subject=BBC Premier League Update - Edition 1, CamelHttpQuery=null, CamelHttpServletResponse=HTTP/1.1 200 

, UntilMessage=until 10:30 GMT when a second bulletin is available (Mon-Fri only), Host=localhost:9095, User-Agent=Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; .NET4.0C; .NET4.0E), Accept-Encoding=gzip, deflate, bulletin_type=am, to=julian.cable@yahoo.com, cc=admin@localhost, breadcrumbId=ID-B1-L0N336601-58958-1335935026761-0-2, CamelHttpUrl=http://localhost:9095/fup, Content-Length=24896, Referer=http://localhost:9095/premier, from=jfbcable@gmail.com, Accept=image/jpeg, application/x-ms-application, image/gif, application/xaml+xml, image/pjpeg, application/x-ms-xbap, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*, Accept-Language=en-GB, Content-Type=multipart/form-data; boundary=---------------------------7dc3a8371906f6, CamelHttpUri=/fup, Cache-Control=no-cache, CamelHttpMethod=POST}, BodyType:String, Body:Dear Partner,

    please find attached the latest edition of our file.

A minimal example maven project is here and the war is here. If you run the project in eclipse or with

mvn jetty:run

and then use the form at http://localhost:9095/premier

You will get a “cannot contact server” exception. But if you deploy the war to tomcat you will get the missing start boundary exception. If you edit applicationContext.xml and replace the ** with valid values, it will actually send an email.

Any ideas?

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1 Answer

  1. Editorial Team

    I have tried your simplified camel route sample, it works well with mvn jetty:run.

    In my Tomcat 7.0.27, Java 6, it actually works. The mail was sent correctly. The only difference is I don’t use the:

    mvn install

    Instead using:

    mvn package

    Then copy the target/test-mail-0.0.1-SNAPSHOT.war to the Tomcat webapps folder, and start tomcat (bin/startup.sh or bin/startup.bat).

    Hope this works for you as well.

    My suggestion that you pick the same Tomcat version as I had and follow the same step.

    Other source of problem you should:

    1. Check is whether you have environment variable CATALINA_HOME or CATALINA_BASE unsuspectingly to you set to point to other Tomcat installation.
    2. Also in the environment variable, check the content of your JRE_HOME or JAVA_HOME (when using JDK), and your CLASSPATH variable. You should set your classpath to $JAVA_HOME/jre/lib:$JAVA_HOME/jre/lib/ext:. or %JAVA_HOME%/jre/lib;%JAVA_HOME%/jre/lib/ext;. (the last dot is very important)
    3. Substitute JAVA_HOME/lib with JRE_HOME if you are running on JRE only.
    4. What version of JVM are you running. I am using Oracle JDK 6. Are you using OpenJDK/J9 or something else?
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