NathanEckert commented on issue #728:
URL: https://github.com/apache/arrow-java/issues/728#issuecomment-4646622304
I encountered exactly the same issue when upgrading from arrow 18.3.0 to
arrow 19.0.0 to connect to Dremio (which use as its JDBC driver
arrow-flight-sql).
```
java.lang.NoClassDefFoundError: Could not initialize class
org.apache.arrow.driver.jdbc.shaded.org.apache.arrow.memory.RootAllocator
at
org.apache.arrow.driver.jdbc.ArrowFlightJdbcDriver.connect(ArrowFlightJdbcDriver.java:93)
at
org.apache.arrow.driver.jdbc.ArrowFlightJdbcDriver.connect(ArrowFlightJdbcDriver.java:46)
at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:613)
at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:160)
at ...
Caused by: java.lang.ExceptionInInitializerError: Exception
java.lang.ExceptionInInitializerError [in thread "ForkJoinPool-1-worker-1"]
at
org.apache.arrow.driver.jdbc.shaded.org.apache.arrow.memory.netty.DefaultAllocationManagerFactory.<clinit>(DefaultAllocationManagerFactory.java:26)
at java.base/java.lang.Class.forName0(Native Method)
at java.base/java.lang.Class.forName(Class.java:467)
at java.base/java.lang.Class.forName(Class.java:458)
at
org.apache.arrow.driver.jdbc.shaded.org.apache.arrow.memory.DefaultAllocationManagerOption.getFactory(DefaultAllocationManagerOption.java:105)
at
org.apache.arrow.driver.jdbc.shaded.org.apache.arrow.memory.DefaultAllocationManagerOption.getDefaultAllocationManagerFactory(DefaultAllocationManagerOption.java:92)
at
org.apache.arrow.driver.jdbc.shaded.org.apache.arrow.memory.BaseAllocator$Config.getAllocationManagerFactory(BaseAllocator.java:826)
at
org.apache.arrow.driver.jdbc.shaded.org.apache.arrow.memory.ImmutableConfig.access$001(ImmutableConfig.java:20)
```
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