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https://issues.apache.org/jira/browse/FLINK-3920?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15354652#comment-15354652
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ASF GitHub Bot commented on FLINK-3920:
---------------------------------------
Github user chiwanpark commented on a diff in the pull request:
https://github.com/apache/flink/pull/2152#discussion_r68891682
--- Diff:
flink-libraries/flink-ml/src/test/scala/org/apache/flink/ml/math/distributed/BlockMatrixSuite.scala
---
@@ -0,0 +1,106 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.flink.ml.math.distributed
+
+import org.apache.flink.api.scala._
+import org.apache.flink.ml.math.SparseMatrix
+import org.apache.flink.test.util.FlinkTestBase
+import org.scalatest.{FlatSpec, GivenWhenThen, Matchers}
+
+class BlockMatrixSuite
+ extends FlatSpec
+ with Matchers
+ with GivenWhenThen
+ with FlinkTestBase {
+
+ val env = ExecutionEnvironment.getExecutionEnvironment
--- End diff --
I found Travis-CI is failed because of this line. We cannot reuse
`ExecutionEnvironment` due to order of class initialization. It seems related
to FLINK-3994. Please move initialization of `ExecutionEnvironment` and
`DistributedRowMatrix` into each test case.
> Distributed Linear Algebra: block-based matrix
> ----------------------------------------------
>
> Key: FLINK-3920
> URL: https://issues.apache.org/jira/browse/FLINK-3920
> Project: Flink
> Issue Type: New Feature
> Components: Machine Learning Library
> Reporter: Simone Robutti
> Assignee: Simone Robutti
>
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