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E2E Developer News 2017 | 1

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    A new maintenance release of the E2E BRIDGE has been released. With this first edition of our E2E Developer Newsletter this year we inform you about the latest features and bug fixes of the E2E BRIDGE software components. As usual, you find all details in our release notes that are provided in our Online Documentation.

    This release comes with two major features:

    • major persistent state performance improvements in the E2E RUNTIME
    • operators now can add custom notes to xUML services on the E2E BRIDGE

    Persistent State Performance Improvements

     The obvious way to speed something up is to do less work. Every SQL Query requires a round-trip to the database server and back – therefore we focused on reducing the number of executed SQL Queries. We achieved to reduce that number by 15.10%.

    Our performance test on different database systems showed that this reduction of 15% maps to the reduction of processing times.
    Mainly slower DBMS systems benefit from this: MySQL became 20%, SQLServer 25% faster. Oracle is still 10% faster. In general, that means that services depending heavily on Persistent State become more responsive.

    Model Documentation and Custom Notes

    E2E BUILDER provides several documentation features to support different kinds of users:

    • modelers who want to modify the service and need a quick overview on the service’s use cases, backend access and data structures (see Model Documentation)
    • service consumers who want to call the service and need information on the service interface (WSDL and YAML, see Model Documentation)
    • BRIDGE operators who need a basic understanding of the service’s purpose and features (see Documentation of an xUML Service)

    Modelers can provide an xUML service documentation that helps the operator understanding the purpose and features of the service:

    The operator also can add his own custom notes:

    Compatibility Hints

    Please note that Microsoft has announced EOL of Windows Vista for 11.04.2017. As we already announced in May 2016, as a consequence we are forced to drop Windows Vista from our list of supported operating systems due to technical implications as of the mentioned date.

    Please also note that the E2E BRIDGE API (see E2E Bridge API) has now reached stable release status. As of this BRIDGE version we guarantee backwards compatibility.

    The Release at a Glance

    • 6.0.59
    • 5.1.59
    • both contain xUML RUNTIME 2017.2
    • 6.0.21 (64-bit only)
    • 5.1.21
    • both contain xUML RUNTIME 2017.2
    • 6.0.21 (64-bit only)
    • 5.1.21
    • 2017.2
    • 2.2.0

    What’s New in Detail

    E2E BRIDGE 6.0.59

    E2E RUNTIME 2017.2

    • Features and Improvements
      • Persistent State: Speed up persistent state engine performance.
      • Option for safe or fast database access using SQLite (see Persistent State Components, option Internal State DB Synch).
    • Fixed
      • Persistent State: Objects are not visible anymore when service is stopped.
      • Windows: Crash on startup when using “Follow Redirects” on URL Alias.
      • REST Adapter: Crashes on unhandled HTTP response code.
    • Other bug fixes and improvements (see E2E RUNTIME Release Notes).

    E2E BUILDER 6.0.21

    • This BUILDER version contains E2E xUML RUNTIME 2017.2 with SAPNW.
    • Features and Improvements
      • Option for safe or fast persistent state using SQLite.
      • REST Importer: Assign value from ‘description’ field of objects and their properties to the respective “Documentation/Hyperlinks” entry upon import.
    • Fixed
      • MD 17 and Linux: Missing include file after Rest import into new model.
      • REST alias has wrong protocol after component wizard.
      • RESTError is missing in RESTPort.
      • REST operation ignores “return” parameters.
      • REST GET Operation cannot have “out” RESTParameter with in=body.
      • RESTResponseDefinition between main model and library does not work.
      • Compile freezes when compiling REST service with deep parameter class hierachy.
      • SAP EDI_DC40 metadata is not fully written to the repository.
      • IDOC Importer: Error when empty lines at the end of the file.
      • Jvm Shutdown Operations are ignored by the compiler.
    • Other bug fixes and improvements (see E2E BUILDER Release Notes).

    E2E ANALYZER 6.0.21

    • Fixed
      • Test is red because it searchs for reference data in wrong folder.
      • Regression test is red but no change is displayed due to different whitespaces.
      • Absolute path in testsuite.xml when using options on deploy.
      • OutOfMemoryException when running regression tests.
      • Wrong service name calling asynchronous via BRIDGE port.
    • Other bug fixes and improvements (see E2E ANALYZER Release Notes).


    • Features and Improvements
      • The RESTifier now supports Node.js 6.10 and 4.4.
      • Updated to latest SAP RFC library 7.20.42.

    Kind regards,
    Your E2E Support Team

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