X-Git-Url: http://juplo.de/gitweb/?p=hibernate4-maven-plugin;a=blobdiff_plain;f=src%2Fsite%2Fapt%2Fpitfalls.apt;h=355e369ecdc73040d68c921aa8deae7f51495049;hp=61b5bc955ed74c57b878e770238886ddb4d77340;hb=bd78c276663790bf7a3f121db85a0d62c64ce38c;hpb=1ba817af3ae5ab23232fca001061f8050cecd6a7 diff --git a/src/site/apt/pitfalls.apt b/src/site/apt/pitfalls.apt index 61b5bc95..355e369e 100644 --- a/src/site/apt/pitfalls.apt +++ b/src/site/apt/pitfalls.apt @@ -1,11 +1,24 @@ -Known Pitfalls + --- + Known Pitfalls + --- + Kai Moritz + --- -* hibernate4-maven-plugin always needs a database-connection +Annotated classes in dependencies are not found. + + hibernate4-maven-plugin by default scans dependencies in the scope + compile. You can configure it to scan dependencies in other + scopes as well. But it scans only direct dependencies. Transitive + dependencies are not scanned for annotated classes. If some of your + annotated classes are hidden in a transitive dependency, you can simply + add that dependency explicitly. + +hibernate4-maven-plugin always needs a database-connection The default-configuration uses the EXPORT-target of the SchemaExport-Tool. If you do not need to create a database with the evaluated schema, you can use the NONE- or the SCRIPT-target. - This can be achieved with the commandline-parameter + This can be achieved with the command-line parameter <<<-Dhibernate.export.target=SCRIPT>>> or with the following configuration: ------------ @@ -17,7 +30,7 @@ Known Pitfalls But even when no database is to be created, hibernate always needs to know the dialect. Hence, the plugin will fail if this parameter is missing! -* Dependency for driver-class XYZ is missing +Dependency for driver-class XYZ is missing One regular problem is the scope of the jdbc-driver-dependency. It is very unlikely, that this dependency is needed at compile-time. @@ -81,7 +94,7 @@ Known Pitfalls Because otherwise, this dependency will unnecessarily bloat the runtime-dependencies of your project. -* DBUnit {fails} after execution of hibernate4 was skipped because nothing has changed +DBUnit {fails} after execution of hibernate4 was skipped because nothing has changed If hibernate4-maven-plugin skips its excecution, this may lead to errors in other plugins. @@ -113,7 +126,7 @@ Known Pitfalls ------------ -* The database will not be recreated after a manual drop/clean +The database will not be recreated after a manual drop/clean If one manually drops the database or removes the hsqldb-files, it will not be recreated by the hibernate4-maven-plugin, because it cannot detect, that @@ -122,14 +135,35 @@ Known Pitfalls the configuration nor the annotated classes have changed, because an unnecessary drop-create-cycle might take a long time. The plugin will report that like this: + ------------- [INFO] No modified annotated classes found and dialect unchanged. [INFO] Skipping schema generation! -[------------ +------------- - If one always uses <<>> for cleanup, this will not happen. - Otherwise the recreation must be forced: + If one always uses <<>> for cleanup, this will not happen. + Otherwise the recreation must be {{{./force.html}forced}}: ------------- mvn hibernate4:export -Dhibernate.export.force=true ------------- + +The hibernate4:export goal is not executed, when tests are skipped + + The hibernate4-maven-plugin automatically skips its execution, when + <<>> is set to <<>>. If you need it to be always + executed, you can configure that explicitly like this: + +------------ + + de.juplo + hibernate4-maven-plugin + ... + + false + + +------------ + + Background-information for this design-decission can be found on the extra + page {{{./skip.html}To skip or not to skip: that is the question}}...