flink RECEIVED SIGNAL 15: SIGTERM. Shutting down as requested

2021-05-22 03:21:41,783 INFO  org.apache.flink.yarn.YarnApplicationMasterRunner             - RECEIVED SIGNAL 15: SIGTERM. Shutting down as requested.
2021-05-22 03:21:41,783 INFO  org.apache.flink.runtime.blob.TransientBlobCache              - Shutting down BLOB cache
2021-05-22 03:21:41,784 INFO  org.apache.flink.runtime.blob.TransientBlobCache              - Shutting down BLOB cache
2021-05-22 03:21:41,785 INFO  org.apache.flink.runtime.webmonitor.WebRuntimeMonitor         - Removing web dashboard root cache directory /tmp/flink-web-7d5e4e30-9c67-4f3b-89f5-0ac9671e0142
2021-05-22 03:21:41,785 INFO  org.apache.flink.runtime.webmonitor.WebRuntimeMonitor         - Removing web dashboard jar upload directory /tmp/flink-web-3799f342-2461-43ff-af24-0c74d7d27fcb
2021-05-22 03:21:41,793 INFO  org.apache.flink.runtime.blob.BlobServer                      - Stopped BLOB server at 0.0.0.0:46071

2021-05-07 17:50:55,047 INFO  org.apache.flink.runtime.blob.TransientBlobCache              - Created BLOB cache storage directory /tmp/blobStore-3e10f9a3-6f9a-4917-b3ca-5907c36b31f2
2021-05-07 17:50:55,071 INFO  org.apache.flink.runtime.blob.BlobClient                      - Downloading null/t-da39a3ee5e6b4b0d3255bfef95601890afd80709-3321f7af056cade39ee0bd62911f492a from localhost/127.0.0.1:46071
2021-05-07 17:50:55,075 ERROR org.apache.flink.runtime.blob.BlobServerConnection            - GET operation failed
java.io.EOFException: Premature end of GET request
    at org.apache.flink.runtime.blob.BlobServerConnection.get(BlobServerConnection.java:275)
    at org.apache.flink.runtime.blob.BlobServerConnection.run(BlobServerConnection.java:117)
2021-05-07 17:50:58,201 INFO  org.apache.flink.runtime.blob.BlobClient                      - Downloading null/t-da39a3ee5e6b4b0d3255bfef95601890afd80709-39a2535fb13689b4590aac290cd33bfe from localhost/127.0.0.1:46071
2021-05-07 17:50:58,202 ERROR org.apache.flink.runtime.blob.BlobServerConnection            - GET operation failed
java.io.EOFException: Premature end of GET request
    at org.apache.flink.runtime.blob.BlobServerConnection.get(BlobServerConnection.java:275)
    at org.apache.flink.runtime.blob.BlobServerConnection.run(BlobServerConnection.java:117)
2021-05-07 17:50:58,905 INFO  org.apache.flink.runtime.blob.TransientBlobCache              - Created BLOB cache storage directory /tmp/blobStore-98d00a1a-7743-421b-8e91-664c895b95a5
2021-05-07 17:50:58,917 INFO  org.apache.flink.runtime.blob.BlobClient                      - Downloading null/t-75f8a0fc367fd8948cd8bb4c5d970181df62bdb1-87a3e5d0fc9fcf875df0f44d03683176 from localhost/127.0.0.1:46071
2021-05-07 17:51:11,951 INFO  org.apache.flink.runtime.blob.BlobClient                      - Downloading null/t-75f8a0fc367fd8948cd8bb4c5d970181df62bdb1-0eb8e1392e38ce5429bdc101c153c0b4 from localhost/127.0.0.1:46071
2021-05-07 17:51:20,482 INFO  org.apache.flink.runtime.blob.BlobClient                      - Downloading null/t-da39a3ee5e6b4b0d3255bfef95601890afd80709-7b16837aa09f5bc40a47d6747752ac0f from localhost/127.0.0.1:46071
2021-05-07 17:51:20,483 ERROR org.apache.flink.runtime.blob.BlobServerConnection            - GET operation failed