org.hibernate.LazyInitializationException: failed to lazily initialize a collection of role: de.rapidanalytics.entity.PropertiesMap.properties, could not initialize proxy - no Session

rapidminer.com | 3 months ago
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    A server error 500 occurred: .... - RapidMiner

    rapidminer.com | 3 months ago
    org.hibernate.LazyInitializationException: failed to lazily initialize a collection of role: de.rapidanalytics.entity.PropertiesMap.properties, could not initialize proxy - no Session

    Root Cause Analysis

    1. org.hibernate.LazyInitializationException

      failed to lazily initialize a collection of role: de.rapidanalytics.entity.PropertiesMap.properties, could not initialize proxy - no Session

      at org.hibernate.collection.internal.AbstractPersistentCollection.throwLazyInitializationException()
    2. Hibernate
      AbstractPersistentCollection.read
      1. org.hibernate.collection.internal.AbstractPersistentCollection.throwLazyInitializationException(AbstractPersistentCollection.java:566)[hibernate-core-4.2.0.Final.jar:4.2.0.Final]
      2. org.hibernate.collection.internal.AbstractPersistentCollection.withTemporarySessionIfNeeded(AbstractPersistentCollection.java:186)[hibernate-core-4.2.0.Final.jar:4.2.0.Final]
      3. org.hibernate.collection.internal.AbstractPersistentCollection.initialize(AbstractPersistentCollection.java:545)[hibernate-core-4.2.0.Final.jar:4.2.0.Final]
      4. org.hibernate.collection.internal.AbstractPersistentCollection.read(AbstractPersistentCollection.java:124)
      4 frames