milleruntime opened a new issue #2121:
URL: https://github.com/apache/accumulo/issues/2121
The runtime class loading of the `HostRegexTableLoadBalancer` is broken. It
is likely this happened when it was refactored during the move to SPI. This
exception can be seen in the manager log when running `SuspendedTabletsIT`,
which seems to timeout often for me locally but the test can still pass even
with this exception.
<pre>
2021-05-27T10:39:11,473 [balancer.TableLoadBalancer] WARN : Failed to load
table balancer class
org.apache.accumulo.core.spi.balancer.HostRegexTableLoadBalancer for table !0
java.lang.NoSuchMethodException:
org.apache.accumulo.core.spi.balancer.HostRegexTableLoadBalancer.<init>(org.apache.accumulo.core.data.TableId)
at java.lang.Class.getConstructor0(Class.java:3349) ~[?:?]
at java.lang.Class.getConstructor(Class.java:2151) ~[?:?]
at
org.apache.accumulo.core.spi.balancer.TableLoadBalancer.constructNewBalancerForTable(TableLoadBalancer.java:58)
~[accumulo-core-2.1.0-SNAPSHOT.jar:2.1.0-SNAPSHOT]
at
org.apache.accumulo.core.spi.balancer.TableLoadBalancer.getBalancerForTable(TableLoadBalancer.java:91)
[accumulo-core-2.1.0-SNAPSHOT.jar:2.1.0-SNAPSHOT]
at
org.apache.accumulo.core.spi.balancer.TableLoadBalancer.getAssignments(TableLoadBalancer.java:115)
[accumulo-core-2.1.0-SNAPSHOT.jar:2.1.0-SNAPSHOT]
at
org.apache.accumulo.manager.Manager.getAssignments(Manager.java:1735)
[accumulo-manager-2.1.0-SNAPSHOT.jar:2.1.0-SNAPSHOT]
at
org.apache.accumulo.manager.TabletGroupWatcher.getAssignmentsFromBalancer(TabletGroupWatcher.java:880)
[accumulo-manager-2.1.0-SNAPSHOT.jar:2.1.0-SNAPSHOT]
at
org.apache.accumulo.manager.TabletGroupWatcher.flushChanges(TabletGroupWatcher.java:911)
[accumulo-manager-2.1.0-SNAPSHOT.jar:2.1.0-SNAPSHOT]
at
org.apache.accumulo.manager.TabletGroupWatcher.run(TabletGroupWatcher.java:318)
[accumulo-manager-2.1.0-SNAPSHOT.jar:2.1.0-SNAPSHOT]
2021-05-27T10:39:11,474 [balancer.TableLoadBalancer] INFO : Using balancer
org.apache.accumulo.core.spi.balancer.SimpleLoadBalancer for table !0
</pre>
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