org.apache.flink.runtime.jobmanager.scheduler.NoResourceAvailableException Maven / Gradle / Ivy
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* 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,
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* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.flink.runtime.jobmanager.scheduler;
import org.apache.flink.runtime.JobException;
public class NoResourceAvailableException extends JobException {
private static final long serialVersionUID = -2249953165298717803L;
private static final String BASE_MESSAGE = "Not enough free slots available to run the job. "
+ "You can decrease the operator parallelism or increase the number of slots per TaskManager in the configuration.";
public NoResourceAvailableException() {
super(BASE_MESSAGE);
}
public NoResourceAvailableException(ScheduledUnit unit) {
super("No resource available to schedule unit " + unit
+ ". You can decrease the operator parallelism or increase the number of slots per TaskManager in the configuration.");
}
public NoResourceAvailableException(int numInstances, int numSlotsTotal, int availableSlots) {
super(String.format("%s Resources available to scheduler: Number of instances=%d, total number of slots=%d, available slots=%d",
BASE_MESSAGE, numInstances, numSlotsTotal, availableSlots));
}
NoResourceAvailableException(ScheduledUnit task, int numInstances, int numSlotsTotal, int availableSlots) {
super(String.format("%s Task to schedule: < %s > with groupID < %s > in sharing group < %s >. Resources available to scheduler: Number of instances=%d, total number of slots=%d, available slots=%d",
BASE_MESSAGE, task.getTaskToExecute(),
task.getLocationConstraint() == null ? task.getTaskToExecute().getVertex().getJobvertexId() : task.getLocationConstraint().getGroupId(),
task.getSlotSharingGroup(),
numInstances,
numSlotsTotal,
availableSlots));
}
public NoResourceAvailableException(String message) {
super(message);
}
// --------------------------------------------------------------------------------------------
@Override
public boolean equals(Object obj) {
return obj instanceof NoResourceAvailableException &&
getMessage().equals(((NoResourceAvailableException) obj).getMessage());
}
@Override
public int hashCode() {
return getMessage().hashCode();
}
}