ObjectDB ObjectDB

Internal Website Search

41-49 of 49 resultsRefresh

openejb jpa jaas module

<String, Object>(); private String username; private char ... (); char[] tmpPassword = ((PasswordCallback) callbacks[1]).getPassword(); pass = new String

Memory consumption of empty Strings

.400.000 char[] 7.154 428.532 String 7.089 226.848 ... Program b (loading this entities from ... and analyzed the memory consumption: Class Instances used Memory (Bytes) char[] 807.363 13.237.950 String

More Efficient Primary Keys

(but reduced to a 22 char instead of actual 36 char) - Would it bring someting to specify the length

Error using query with MAX() function

I have a class that is persisting a Entity that holds remarks and a time. Then when I query for the latest remark I get a internal error when the remark is larger than 1966 chars. Here is a test class and entity that reproduces the problem on my system. @Entity @Table(name = "TestEntity", schema

Bug: ClassCastException by retrieval

) {   this.sData = sData;   char[] ca = sData.toCharArray();   int iLen = ca.length;   Character[] la

Activated ObjectDB still throws "Too many persistable types"

I have upgraded from 2.3.7 to 2.4.4 and now my activation won't work, throwing the dreaded com.objectdb.o.UserException: Too many persistable types (>10) - exceeds evaluation limit I have already reactivated and checked that my objectdb.conf is correctly used (by inserting random chars

problem using macbook with M1 chip?

.StringBuilder [12] 50 bipush 41 52 invokevirtual java.lang.StringBuilder.append(char) : java.lang.StringBuilder

Unexpected exception (Error 990) on find

becomes sometimes relativly long (> 256 chars). When I cut all values at a length of 256, there seams to come no exception ... with values smaller than 256 characters? support Support When I cut the values in the map to 256 chars

InternalException when using MEMBER OF on a large list in a query

with two Longs c) Furthermore, as String (but reduced to a 22 char instead of actual 36 char) - Would it bring

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

Need Help?

  1. Search ObjectDB website
  2. Read the FAQ
  3. Follow the Tutorials
  4. View or post in the forum
  5. Search or file an issue
  6. Contact support