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Mule Runtime 3.8.4 Release Notes

March 31, 2017

Mule Runtime 3.8.4 includes API Gateway enhancements, bug fixes, and a library change.

Key enhancements are:

  • Two new block definitions on the policies are defined: After and Before exception blocks.

    Similar to the functionality of HTTP after and before blocks, these blocks enhance the catch exception strategy of a flow without the need to modify it.

  • Increased security by upgrading Gatekeeper to v2.0.

    The enhancements include cluster support with improved performance, zero security gaps while the feature is in active mode, and small improvements in runtime startup when the feature is in active mode. Several corner cases have been fixed.

  • XML threat protection policy now can protect also against XXe attacks.

  • Various security risks related to policies not being correctly applied in particular scenarios addressed.

  • Performance improvements.

Supported Software

Mule was tested on the following software:

Software Version

JDK

JRE 1.7.0, JRE 1.8.0 (Recommended JRE 1.8.0_91/92)

OS

MacOS 10.11.4, HP-UX 11i V3, AIX 7.2, Windows 2012 R2 Server, Windows 8.1, Solaris 11.3, RHEL 7, Ubuntu Server 15.04

Application Servers

Tomcat 7 and 8, WebLogic 12c, WebSphere 8, WildFly 8 and 9, Jetty 8 and 9

Databases

Oracle 11g, Oracle 12c, MySQL 5.5+, IBM DB2 10, PostgreSQL 9, Derby 10, Microsoft SQL Server 2014

The unified Mule Runtime 3.8.4 and API Gateway is compatible with APIkit 3.8.4.

Bundled Runtime Manager Agent

This version of Mule runtime comes bundled with the Runtime Manager Agent plugin version 1.6.4.

DataWeave Language Improvements

  • Now DataWeave can process input files of any size. Previously the limit was 2GB.

  • Improved CSV performance for small files

  • Added XML writer option to omit header

  • Added another option to specify how missing values are shown with flatfile/copybook output

  • Allow trimming a field as per its definition in flatfile

  • Changes to support another fill character configuration of '0' to zero-fill text numeric values but space-fill alphas in flatfile

  • Added option for truncating output values that are too long for field rather than generating an error in flatfile

DataWeave Language Bug Fixes

  • Fixed temporary files leak when accessing flow vars

  • Fixed output encoding in the message

  • Now XmlStreamReaders are not consumed with the MEL dw() function

  • Fixed data-weave not picking up the correct properties file with p() function

  • Coercion from number to string now doesn’t lose precision

  • DW now fully supports ISO-8601 format

  • XML Indexed reader now supports escaped XML characters

Enhancements

Issue Description

AGW-1106

Add before-exception and after-exception injection points.

Fixed issues

Issue Description

EE-5313

Batch block size cannot be set as a context property

EE-5308

Use of Round Robin with IIS results in invalid session token

EE-5297

WMQ connector doesn’t use endpoint attributes

EE-5282

BatchRecordDispatcherDelegate does not catch RejectedExecutionException

EE-5250

Resuming batchjob that finished all batch steps (send to on complete)

EE-5195

Create new BatchTransactionContextFactory each time the DefaultBatchEngine is started

EE-5055

Batch should auto stop job instances when queues are corrupted

MULE-11949

OAuth: token refresh overrides payload when resending request

MULE-11918

Credentials are shown in generic db connection when an exception is raised

MULE-11914

Email transport does not invoke exception strategy when flow processing strategy is synchronous

MULE-11891

NotPermittedException in http sends status 405 (method not allowed) instead of 403 (forbidden)

MULE-11879

Mule does not recognize zip file as deployment units if extension is not in lowercase

MULE-11877

Wrong description for org.mule.transport.sftp.getLastModifiedTime()

MULE-11875

Race condition when putting an object in the registry asynchronously and disposing the muleContext at the same time

MULE-11865

Sftp endpoints does not preserve session serialized variables

MULE-11850

Paths for processors in dynamically referenced subflows are not recalculated

MULE-11829

VM Receiver process message read from queue and does not process further message till the previous processing has ended

MULE-11828

Wrapper does not log boot error before stopping wrapped JVM in WARN loglevel

MULE-11766

DefaultExtensionManager’s method attemptToCreateImplicitConfigurationInstance should be syncronized

MULE-11635

No reconnection attempt in case of LDAP communication error

MULE-11598

HTTP Listener error responses don’t include content-length nor last chunk

MULE-11549

VM does not manage retrieval and storage of session and loses variables when session is serialized or encoded.

MULE-11539

No content response includes Transfer-Encoding header

MULE-11535

HTTP transport returns 500 instead of 400 when URL isn’t correctly encoded

MULE-11534

XmlMetaDataFieldFactory returns empty field list for element with complexType/any

MULE-11532

JsonTransformerResolver doesn’t reuse transformers when there are more than one

MULE-11510

Nodes coming xpath3 functions output do not work with Xquery-transformer

MULE-11498

SFTP connector uses a period for listing and some implementations don’t support it

MULE-11497

Encoding is ignored account in SFTP endpoint

MULE-11488

XmlToXMLStreamReader does not support ByteArrayOutputStream as source type

MULE-11479

HTTP requester ignores socket properties connect timeout

MULE-11455

JMS connector doesn’t allow subclasses to change send() parameters

MULE-11382

Fix: after until successful flow variables loses mime type

MULE-11381

Bring ASM fix from SPR-13695 into Mule

MULE-11369

Exception behavior for XML vulnerabilities is inconsistent

MULE-11358

Path Element is not correctly created for elements after a MessageFilter

MULE-11337

Listener sends error response when connection is closed

MULE-11333

Fix: In Message Enricher a double copy is made and changes are lost after handling exception

MULE-11323

Fix: A more declarative exception message has to be added to unsupported methods in DefaultMessageCollection

MULE-11302

Default XML Transformer factory does nor support StAXSource

MULE-11300

File outbound ignoring encoding attribute

MULE-11298

Fix: wsconsumer ignores proxy when retrieving wsdl in initialization phase

MULE-11286

Fix: avoid verification of timestamp action matching in request and response of a soap service.

MULE-11282

Fix: QuartzMessageReceiver handles the stop message by default and does not stop current scheduled jobs.

MULE-11274

MVEL optimizer does not refresh when the payload type changes

MULE-11271

Fix: Multiple Quartz connectors register quartz scheduler with the same name.

MULE-11266

Fix: Text file object store does not update persistent file stored record according to expiration policy.

MULE-11240

Apply changes from CXF-7162 (Inconsistent reading of formatted xml when validating schema)

MULE-11206

Prevent possible hash collision attacks in Java 7

MULE-11204

Memory leak on mule db module on high load scenario when streaming is enabled

MULE-11147

Retry HTTP requests where connection has become stale since obtaining it from connection pool

MULE-11145

Apply Processors to Custom Validators

MULE-11125

XMLInputFactory allows inline DTDs by default

MULE-11124

content-type set in HTTP request builder should not be case sensitive

MULE-11118

Return a 5xx response when thread pool is exhausted instead of ignoring the request

MULE-10996

Content-Length header case conflicts with streaming

MULE-10995

Negative threadWaitTimeout used with SEDA processing strategy fails rather than waiting forever to enqueue.

MULE-10975

AbstractAggregator eventGroups object store ignores the object store configuration in the registry

MULE-9039

NPE when doing multiple http outbound calls.

MULE-8777

HttpMapParam expects multiple values in ParameterMap but ParameterMap only returns one

MULE-6331

Client so_timeout is replaced by responseTimeout

MULE-11970

Update of logs which are indirectly causing a deadlock condition

MULE-11940

Fix: For each collection doesn’t work with iterator.

MULE-11924

After multiform request, Mule Message has an invalid data type.

MULE-11903

Fix: Http requester can’t handle large headers.

MULE-11869

Default Reconnect Strategy is ignored in DB Config.

MULE-11835

RSS parser isn’t parsing elements with namespaces.

MULE-11665

Fix: Memory Leak in Custom Agreggator.

MULE-11571

Add support for the WITH clause in the DB module

MULE-11416

WS Consumer Module: Should use Mule TLS implementation to read the Remote WSDL instead of using the Java classes directly

MULE-11293

Fix: Session property disappearing after dispatchEvent()

MULE-11281

Fix: SFTP Inbound Endpoint doesn’t set the MimeType

MULE-11273

ER: When a null value is passed to a request query param, it should be removed.

MULE-11203

Add Error Message about not supported Asynchronous Retry Policies in DB Connection.

MULE-11191

Fix: FTP reconnect Notifier is not working

MULE-11185

Fix: sftpclient unable to validate duplicate files for relative paths involving ~ symbol

MULE-11161

Update the cipher block used in PGP encryption

MULE-11159

Fix: FileToString Transform is not able to process incoming message payload retrieved from file connector when streaming attribute is set to false.

MULE-11138

Make easier to work with UDT on DB connector

MULE-11110

Fix: fileAge of Connector is replaced by fileAge of endpoint

MULE-11080

Add support to auto convert Strings to CLOB values

MULE-11079

Fix: Set Payload doesn’t work correctly with special characters in a variable value.

MULE-11022

Http Conficts with Wildcard in the middle of the path.

MULE-11008

Fix: JsonData doesn’t have to implement Serializable

MULE-10986

Fix conflict Similar HTTP Listener Path with Wildcards

MULE-10979

Remove System Properties Configuration

AGW-1014

When trying to track an API and return code is not 200, policies of that API are deleted.

AGW-982

NullPointerException when unapplying policy in cluster with Log4j in DEBUG mode

AGW-978

When invalid proxy settings are provided, policies based on clients, do not work.

AGW-977

When bad organization credentials are provided, policies based on clients, do not work.

AGW-936

Small insecurity window when deploying app with Gatekeeper enabled.

AGW-920

XML Threat Protection Policy does not prevent XXE attack.

AGW-687

PingFederate policy is not using proxy settings by default.

Library Changes

Issue Description

MULE-11983

Upgrade JSCH to version 0.154

MULE-11366

Upgrade Mockito version

MULE-11326

Update JUnit to 4.12 and disable timeout when debugging

MULE-11262

Update commons-net to 3.5

Migration Guide

Issue Description

MULE-10979

The default response timeout and default transaction timeout can’t be configured using system properties on the command line or in the wrapper.conf file anymore. In replacement, use the configuration element. For example: <configuration defaultResponseTimeout="20000" defaultTransactionTimeout="40000"/>.

MULE-11118

The HTTP listener now replies with status code 503 when the thread pool is exhausted (and poolExhaustedAction="ABORT") instead of closing the socket.