At this moment relu_layer op doesn't allow threshold configuration, and legacy RELU op allows that.
We should add configuration option to relu_layer.

Append class to all HashCodeBuilders in Gaffer for the below issue to minimise hash collisions.

@Test
    void name() {
        Foo foo = new Foo();
        Bar bar = new Bar();

        assertFalse(foo.equals(bar));
        assertNotEquals(foo.hashCode(), bar.hashCode()); //fails
    }

    class Bar {
        int a = 3;

        @Override
        public int hashCode() {

See https://github.com/prestosql/presto/runs/1497472672

• tests apparently hanged
• one test thread is here:

2020-12-04T07:53:43.1535741Z "pool-2-thread-2" prio=5 Id=16 BLOCKED on org.testng.TestClass@2a78dd6a owned by "pool-2-thread-1" Id=15
2020-12-04T07:53:43.1537790Z 	at app//org.testng.internal.TestMethodWorker.invokeBeforeClassMethods(TestMethodWorker.java:158)
2020-12-04T07:53

xref: #2388

For some reason Ibis doesn't seem to be connecting to hdfs when in localhost.

In GitHub actions, the port is open, as shown by:

$ nc -zvw3 $IBIS_TEST_IMPALA_HOST 50070
Connection to localhost 50070 port [tcp/*] succeeded!

But when trying to connect to hdfs from Ibis:

import io
import ibis

hdfs_conn = ibis.impala.hdfs_connect(
    host='localhost'

问题描述：关于工程中某个工作流节点单独执行不报错，保存工作流时提示：NotClassDefFoundError：Cloud not initialize class dispatch.Http$

问题原因：linkis-publish微服务关于netty-3.6.2.Final.jar升级包缺失

问题解决：将升级包上传重启linkis-publish微服务即可。