stephen mallette created TINKERPOP-1172:
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Summary: Reconnect to Gremlin Server previously marked as dead
Key: TINKERPOP-1172
URL: https://issues.apache.org/jira/browse/TINKERPOP-1172
Project: TinkerPop
Issue Type: Bug
Components: driver
Affects Versions: 3.1.1-incubating
Reporter: stephen mallette
Assignee: stephen mallette
Fix For: 3.1.2-incubating
We have a test to validate that this works when connecting to multiple servers
in a round-robin fashion but nothing that tests against a single server and it
seems that there are some problems around that particular situation. It tends
to manifest as:
{code}
Caused by: java.lang.NullPointerException: null
at
org.apache.tinkerpop.gremlin.driver.ConnectionPool.considerUnavailable(ConnectionPool.java:392)
~[gremlin-driver-3.1.2-SNAPSHOT.jar:3.1.2-SNAPSHOT]
at
org.apache.tinkerpop.gremlin.driver.ConnectionPool.<init>(ConnectionPool.java:101)
~[gremlin-driver-3.1.2-SNAPSHOT.jar:3.1.2-SNAPSHOT]
at
org.apache.tinkerpop.gremlin.driver.Client$SessionedClient.initializeImplementation(Client.java:558)
~[gremlin-driver-3.1.2-SNAPSHOT.jar:3.1.2-SNAPSHOT]
at org.apache.tinkerpop.gremlin.driver.Client.init(Client.java:117)
~[gremlin-driver-3.1.2-SNAPSHOT.jar:3.1.2-SNAPSHOT]
at
org.apache.tinkerpop.gremlin.driver.Client.submitAsync(Client.java:182)
~[gremlin-driver-3.1.2-SNAPSHOT.jar:3.1.2-SNAPSHOT]
at
org.apache.tinkerpop.gremlin.driver.Client.submitAsync(Client.java:174)
~[gremlin-driver-3.1.2-SNAPSHOT.jar:3.1.2-SNAPSHOT]
at org.apache.tinkerpop.gremlin.driver.Client.submit(Client.java:144)
~[gremlin-driver-3.1.2-SNAPSHOT.jar:3.1.2-SNAPSHOT]
... 21 common frames omitted
{code}
when the {{ConnectionPool}} can not be intialized in any way at start up. If
that happens the {{Client}} doesn't seem to recover well.
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