Hibernate Framework flow

The general flow of Hibernate framework while interacting with the Database is:Example Program:       // creating the Configuration object                Configuration config = new Configuration();        config.configure();                       ...

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Exception in thread "main" org.hibernate.TypeMismatchException: Provided id of the wrong type for class com.ranga.pojo.Order. Expected: class java.lang.Long, got class java.lang.Integer

Exception in thread "main" org.hibernate.TypeMismatchException: Provided id of the wrong type for class com.ranga.pojo.Order. Expected: class java.lang.Long, got class java.lang.IntegerProblem: While passing primary key value in either load() or get() or byId() the value you passed is integer. but it expecting long value.Solution: You need to pass the long value instead of integ...

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org.hibernate.MappingException: Unknown entity:

org.hibernate.MappingException: Unknown entity: com.ranga.mapping.StudentProblem:  In configuration file you are not added Student class or wrong path.Solution: Add the proper Mapping file in configurati...

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org.hibernate.MappingException: Could not determine type for: String, at table: Persons, for columns: [org.hibernate.mapping.Column(FirstName)]

org.hibernate.MappingException: Could not determine type for: String, at table: Persons, for columns: [org.hibernate.mapping.Column(FirstName)]Problem:  In Mapping, the type what you specified that the first character will be in Upper case. In the above exception, type will be String.Solution: In hibernate mapping file, use type string instead of String because in hibernate, the type will be case sensitive.Java typeMapping typeANSI SQL...

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Exception in thread "main" java.lang.ExceptionInInitializerError

Could not parse mapping document from resource com/ranga/Person.hbm.xmlException in thread "main" java.lang.ExceptionInInitializerErrorProblem:   In Mapping file DTD information is not added or wrong DTD information you are given.Solution:  Add the proper DTD information in mapping file(Person.hbm.x...

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java.lang.UnsupportedOperationException: The application must supply JDBC connections.

Exception in thread "main" java.lang.UnsupportedOperationException: The application must supply JDBC connections.Problem:   while setting jdbc connection property by using annotation configuration we need to add hibernate in preceed of property.AnnotationConfiguration config = new AnnotationConfiguration().addAnnotatedClass(User.class);        config.setProperty("connection.driver_class", "oracle.jdbc.driver.OracleDriver");...

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java.lang.NoClassDefFoundError: net/sf/ehcache/CacheException

Exception in thread "main" java.lang.NoClassDefFoundError: net/sf/ehcache/CacheExceptionProblem:  You need to add ehcache*.jar(for example ehcache.2.7.4.jar) file into your classpath.Solution:   Add the ehcache*.jar file to your class path or specify the maven dependency in pom.xml file.<dependency>    <groupId>net.sf.ehcache</groupId>    <artifactId>ehcache</artifactId>    <version>2.7.4</version></dependency>...

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java.lang.NoClassDefFoundError: net/sf/ehcache/util/Timestampe

Exception in thread "main" java.lang.NoClassDefFoundError: net/sf/ehcache/util/Timestamper at org.hibernate.cache.ehcache.internal.regions.EhcacheDataRegion.<init>(EhcacheDataRegion.java:86)    at org.hibernate.cache.ehcache.internal.regions.EhcacheTransactionalDataRegion.<init>(EhcacheTransactionalDataRegion.java:74)   at org.hibernate.cache.ehcache.internal.regions.EhcacheEntityRegion.<init>(EhcacheEntityRegion.java:58)...

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