Issue 1:
I have searched the issues of this repository and believe that this is not a duplicate.

I have checked the FAQ of this repository and believe that this is not a duplicate.

Environment

Dubbo version: 2.7.2-SNAPSHOT

Operating System version: ubuntu

Java version: oracle 11

Steps to reproduce this issue

[INFO] Results:
[INFO]
[ERROR] Failures:
[ERROR] ConditionRouterTest.testRoute_matchFilter:132 expected: <0> but was: <2>

[INFO] Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.24 s - in org.apache.dubbo.rpc.cluster.StickyTest
[INFO] Running org.apache.dubbo.rpc.cluster.router.condition.ConditionRouterTest
The localhost address: 10.20.3.47:20880
10.20.3.47:20880
[ERROR] Tests run: 12, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 0.047 s <<< FAILURE! - in org.apache.dubbo.rpc.cluster.router.condition.ConditionRouterTest
[ERROR] testRoute_matchFilter Time elapsed: 0.023 s <<< FAILURE!
org.opentest4j.AssertionFailedError: expected: <0> but was: <2>
at org.apache.dubbo.rpc.cluster.router.condition.ConditionRouterTest.testRoute_matchFilter(ConditionRouterTest.java:132)

[INFO] Running org.apache.dubbo.rpc.cluster.router.ConfigConditionRouterTest
[WARNING] Tests run: 1, Failures: 0, Errors: 0, Skipped: 1, Time elapsed: 0.001 s - in org.apache.dubbo.rpc.cluster.router.ConfigConditionRouterTest
[INFO] Running org.apache.dubbo.rpc.cluster.router.script.ScriptRouterTest
Warning: Nashorn engine is planned to be removed from a future JDK release
[INFO] Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.46 s - in org.apache.dubbo.rpc.cluster.router.script.ScriptRouterTest
[INFO] Running org.apache.dubbo.rpc.cluster.router.file.FileRouterEngineTest
Warning: Nashorn engine is planned to be removed from a future JDK release
[INFO] Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.973 s - in org.apache.dubbo.rpc.cluster.router.file.FileRouterEngineTest
[INFO] Running org.apache.dubbo.rpc.cluster.router.TagRouterTest
[WARNING] Tests run: 1, Failures: 0, Errors: 0, Skipped: 1, Time elapsed: 0 s - in org.apache.dubbo.rpc.cluster.router.TagRouterTest
[INFO] Running org.apache.dubbo.rpc.cluster.loadbalance.RandomLoadBalanceTest
647
5712
3641
[INFO] Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.707 s - in org.apache.dubbo.rpc.cluster.loadbalance.RandomLoadBalanceTest
[INFO] Running org.apache.dubbo.rpc.cluster.loadbalance.LeastActiveBalanceTest

Full logs：

https://api.travis-ci.org/v3/job/538065499/log.txt

https://api.travis-ci.org/v3/job/538173916/log.txt

https://api.travis-ci.org/v3/job/539533829/log.txt

Issue 2:
I have searched the issues of this repository and believe that this is not a duplicate.

I have checked the FAQ of this repository and believe that this is not a duplicate.

Environment

Dubbo version: 2.7.9-SNAPSHOT

Steps to reproduce this issue

I believe there should be only one revision property in pom.xml file to control current version.

but there are three.

https://github.com/apache/dubbo/blob/master/dubbo-dependencies-bom/pom.xml#L166

https://github.com/apache/dubbo/blob/master/dubbo-dependencies/dubbo-dependencies-zookeeper/pom.xml#L35

https://github.com/apache/dubbo/blob/master/pom.xml#L129