DataX报错“在有总bps限速条件下，单个channel的bps值不能为空，也不能为非正数”

ERROR JobContainer - Exception when job run
com.alibaba.datax.common.exception.DataXException: Code:[Framework-03], Description:[DataX引擎配置错误，该问题通常是由于DataX安装错误引起，请联系您的运维解决 .].  - 在有总bps限速条件下，单个channel的bps值不能为空，也不能为非正数
        at com.alibaba.datax.common.exception.DataXException.asDataXException(DataXException.java:30) ~[datax-common-0.0.1-SNAPSHOT.jar:na]
        at com.alibaba.datax.core.job.JobContainer.adjustChannelNumber(JobContainer.java:430) ~[datax-core-0.0.1-SNAPSHOT.jar:na]
        at com.alibaba.datax.core.job.JobContainer.split(JobContainer.java:387) ~[datax-core-0.0.1-SNAPSHOT.jar:na]
        at com.alibaba.datax.core.job.JobContainer.start(JobContainer.java:117) ~[datax-core-0.0.1-SNAPSHOT.jar:na]
        at com.alibaba.datax.core.Engine.start(Engine.java:93) [datax-core-0.0.1-SNAPSHOT.jar:na]
        at com.alibaba.datax.core.Engine.entry(Engine.java:175) [datax-core-0.0.1-SNAPSHOT.jar:na]
        at com.alibaba.datax.core.Engine.main(Engine.java:208) [datax-core-0.0.1-SNAPSHOT.jar:na]

修改

修改文件datax/conf/core.json

"core": {
        "dataXServer": {
            "address": "http://localhost:7001/api",
            "timeout": 10000,
            "reportDataxLog": false,
            "reportPerfLog": false
        },
        "transport": {
            "channel": {
                "class": "com.alibaba.datax.core.transport.channel.memory.MemoryChannel",
                "speed": {
                    "byte": 2000000,
                    "record": -1
                },
                "flowControlInterval": 20,
                "capacity": 512,
                "byteCapacity": 67108864
            },
            "exchanger": {
                "class": "com.alibaba.datax.core.plugin.BufferedRecordExchanger",
                "bufferSize": 32
            }
        },
        "container": {
            "job": {
                "reportInterval": 10000
            },
            "taskGroup": {
                "channel": 5
            },
            "trace": {
                "enable": "false"
            }

        },
        "statistics": {
            "collector": {
                "plugin": {
                    "taskClass": "com.alibaba.datax.core.statistics.plugin.task.StdoutPluginCollector",
                    "maxDirtyNumber": 10
                }
            }
        }
    }

修改core -> transport -> channel -> speed -> "byte": 2000000，将单个channel的大小改为2MB即可。