Hi Ah okay, yeah you are welcome to provide a proposed fix as a github PR https://github.com/apache/camel/
On Wed, Mar 27, 2019 at 12:19 PM Shenavai, Manuel <manuel.shena...@sap.com> wrote: > > Hi Claus, > > thanks for your prompt reply. We are currently running on Camel 2.17.4. > Updating to a newer version is currently no solution. Also from my current > understanding, this error is caused due to NIL-response from the mailserver, > which might also happen in newer version, right? > > In the logs I found the following (see attached trace): > A17 FETCH 165 (BODY.PEEK[1.1]) > * 165 FETCH (BODY[1.1] NIL) > > Regarding the proposal to just return an empty string: We faced this problem > with another mail where (I think) the content was actually not empty (SMIME > mail). So returning an empty string would be wrong. Unfortunately I'm not > able to reproduce the problem and validate this statement. > > A possible workaround that I found is to copy the whole Message via > CopyConstructor of MimeMessage, as suggested here: > https://javaee.github.io/javamail/FAQ.html#imapserverbug > > A possible fix for this problem could be done in the MailConsumer: > - if a mail fails due to no-content exception, the above fix could be applied > and the mail could be retried > > What do you think? > > Best regards, > Manuel Shenavai > > -----Original Message----- > From: Claus Ibsen <claus.ib...@gmail.com> > Sent: Donnerstag, 21. März 2019 08:05 > To: users@camel.apache.org > Subject: Re: IMAP: No content > > Hi > > What version of Camel are you using? > > And we could likely consider adding a check for this kind of exception > with "No content" error message as in the stacktraces and regard the > message as empty. Mind that the message is in english so we can only > check for that and not for other languages. > > Also have you tried upgrading Camel and/or javax mail? It may work > better on newer versions. > > On Wed, Mar 20, 2019 at 4:56 PM Shenavai, Manuel > <manuel.shena...@sap.com> wrote: > > > > Hi camel users, > > > > > > > > we are using the camel mail component to fetch mails from a mailserver. For > > some mails the polling fails due to a IOException (see below). > > > > > > > > I attached the mail that causes the problem to this mail (slightly > > changed). The mail has an empty body, so one could argue the exception is > > correct. But for other mails with empty body there is no exception thrown. > > > > > > > > I found this post which seems to be the same problem, but without a > > solution: > > > > http://camel.465427.n5.nabble.com/IMAP-No-content-td5725535.html > > > > > > > > Anyone else came across this problem? > > > > > > > > Thanks in advance > > > > Best regards, > > > > Manuel > > > > > > > > > > > > Caused by: java.io.IOException: No content > > > > at > > javax.mail.internet.MimePartDataSource.getInputStream(MimePartDataSource.java:115) > > > > at > > com.sun.mail.handlers.text_plain.getContent(text_plain.java:80) > > > > at > > javax.activation.DataSourceDataContentHandler.getContent(DataHandler.java:795) > > > > at > > javax.activation.DataHandler.getContent(DataHandler.java:542) > > > > at > > javax.mail.internet.MimeBodyPart.getContent(MimeBodyPart.java:657) > > > > at > > org.apache.camel.component.mail.MailBinding.extractHeadersFromMail(MailBinding.java:614) > > > > at > > com.sap.esb.camel.mail.endpoint.configurator.mail.binding.CustomMailBinding.extractHeadersFromMail(CustomMailBinding.java:24) > > > > at > > com.sap.esb.camel.security.cms.smime.SMimeMailBinding.extractHeadersFromMail(SMimeMailBinding.java:292) > > > > at > > com.sap.esb.camel.mail.endpoint.configurator.mail.impl.trace.TraceMailBindingWithDelegation.extractHeadersFromMail(TraceMailBindingWithDelegation.java:42) > > > > at > > org.apache.camel.component.mail.MailMessage.populateInitialHeaders(MailMessage.java:116) > > > > ... 27 common frames omitted > > > > Caused by: javax.mail.MessagingException: No content > > > > at > > com.sun.mail.imap.IMAPBodyPart.getContentStream(IMAPBodyPart.java:206) > > > > at > > javax.mail.internet.MimePartDataSource.getInputStream(MimePartDataSource.java:99) > > > > ... 36 common frames omitted > > > > > > > > -- > Claus Ibsen > ----------------- > http://davsclaus.com @davsclaus > Camel in Action 2: https://www.manning.com/ibsen2 -- Claus Ibsen ----------------- http://davsclaus.com @davsclaus Camel in Action 2: https://www.manning.com/ibsen2
