Hi Stephen, I'm also planning to release saaj-impl 1.4.x bundle with a version range, I guess it will help.
Regards JB On 31/01/2019 13:30, Siano, Stephan wrote: > Hi, > > We are building a custom distribution currently based on Karaf 4.2.2 (but > including some changes from Karaf 4.2.3) which is running on Java 8. We have > observed that once we are sending a SOAP message with attachments via CXF, > javamail will stop working. > > The root cause for this was the following. > > With the changes from [KARAF-5989] and [KARAF-6093] the javax.activation and > the javax.xml.soap are removed from the Java 8 section from jre.properties. > > As a consequence the bundles > org.apache.servicemix.specs:org.apache.servicemix.specs.activation-api-1.1:2.9.0 > and org.apache.servicemix.specs: > org.apache.servicemix.specs.saaj-api-1.3:2.9.0 are installed in the stack. In > order to make CXF work the bundle > org.apache.servicemix.bundles:org.apache.servicemix.bundles.saaj-impl:1.3.28_1 > is also added to the stack. > > The servicemix wrapped activation api bundle has an OSGi enabled registry for > MIME DataTypeHandlers, where javamail registers some data type handlers > (among others for text/plain via mailcap file). In addition javamail wires > the javax.activation package wth this bundle. So far everything works. > > Unfortunately the constructor of > com.sun.xml.messaging.saaj.soap.AttachmentPartImpl contained in the saaj-impl > bundle (in version 1.3.28_1) registers > com.sun.xml.internal.messaging.saaj.soap.StringDataContentHandler as a data > content handler for text/plain. This class is coming from the JDK and > implements javax.activation.DataContentHandler from JDK. If after this > registration javamail tries to look up a DataContentHandler for text/plain, > the registry in the javax.activation api bundle will contain that handler but > as the bundles has its own version of javax.activationDataContentHandler, we > will get a ClassCastException: > > java.lang.ClassCastException - > com.sun.xml.internal.messaging.saaj.soap.StringDataContentHandler cannot be > cast to javax.activation.DataContentHandler (loaded by > org.apache.felix.framework.BundleWiringImpl$BundleClassLoader@0x0000000100162fd8) > (found matching interface javax.activation.DataContentHandler loaded by , > but needed loader > org.apache.felix.framework.BundleWiringImpl$BundleClassLoader@0x0000000100162fd8)]java.lang.ClassCastException: > com.sun.xml.internal.messaging.saaj.soap.StringDataContentHandler cannot be > cast to javax.activation.DataContentHandler (loaded by > org.apache.felix.framework.BundleWiringImpl$BundleClassLoader@0x0000000100162fd8) > (found matching interface javax.activation.DataContentHandler loaded by , > but needed loader > org.apache.felix.framework.BundleWiringImpl$BundleClassLoader@0x0000000100162fd8) > at > com.sap.esb.activation.impl.OsgiMailcapCommandMap.createDataContentHandler(OsgiMailcapCommandMap.java:179) > at > javax.activation.DataHandler.getDataContentHandler(DataHandler.java:249) > at javax.activation.DataHandler.getContent(DataHandler.java:142) > at javax.mail.internet.MimeMessage.getContent(MimeMessage.java:1454) > at > org.apache.camel.component.mail.MailBinding.extractHeadersFromMail(MailBinding.java:601) > > The culprit seems to be the saaj-impl bundle. So I looked for newer version. > There is a version 1.4.0_1 that is actually registering DataContentHandlers > like > com.sun.xml.messaging.saaj.soap.StringDataContentHandler (without the > internal), which is instead coming from the saaj-api bundle (which wires with > the javax.activation bundle in the stack), so this should work. Unfortunately > the version 1.4.0 imports package version 1.4 or later of package > javax.xml.soap, whereas the saaj-api-1.3 bundle is exporting version 1.3 of > that package. > > Yesterday Jean Baptiste Onofré added version 1.5.1_1-SNAPSHOT to the > servicemix bundles repository, though I don't know why he did so and when he > plans to release that version. > > Are you already aware of this or is this change not related to the Karaf > 4.2.3 release at all? > > Does anyone know any combination of saaj/saaj-impl OSGi bundles that work > with Java 8 on Karaf? > > Best regards > Stephan > -- Jean-Baptiste Onofré jbono...@apache.org http://blog.nanthrax.net Talend - http://www.talend.com