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尝试为正在运行的基准测试上传 JSON 结果文件时，我看到了多个HTTP 500错误。Caliper日志中充满了与以下类似的异常：

Dec 19, 2013 3:29:20 PM com.google.caliper.runner.ResultsUploader logUploadFailure
SEVERE: Could not upload trial c0e4f478-7408-4050-88d3-7446e21bb7a1. Consider uploading it manually.
com.sun.jersey.api.client.UniformInterfaceException: POST https://microbenchmarks.appspot.com/data/trials?key={my-valid-api-key} returned a response status of 500 Internal Server Error
    at com.sun.jersey.api.client.WebResource.voidHandle(WebResource.java:697)
    at com.sun.jersey.api.client.WebResource.access$400(WebResource.java:74)
    at com.sun.jersey.api.client.WebResource$Builder.post(WebResource.java:548)
    at com.google.caliper.runner.ResultsUploader.processTrial(ResultsUploader.java:104)
    at com.google.caliper.runner.ExperimentingCaliperRun.run(ExperimentingCaliperRun.java:231)
    at com.google.caliper.runner.CaliperMain.exitlessMain(CaliperMain.java:135)
    at com.google.caliper.runner.CaliperMain.main(CaliperMain.java:78)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.codehaus.mojo.exec.ExecJavaMojo$1.run(ExecJavaMojo.java:297)
    at java.lang.Thread.run(Thread.java:695)

但是，我的帐户下的页面上确实显示了一份报告/runs，因此它似乎至少可以上传其中的一些。对指定的 URL执行curl POST任何失败的试验都会导致相同的错误。

有没有其他人遇到过这些错误？我的配置中是否缺少某些内容？

卡尺config.properties： 

# Caliper config file
# Run with --print-config to see all of the options being applied

# INSTRUMENT CONFIG
# instrument.micro.options.warmup=10s
# instrument.micro.options.timingInterval=500ms
# instrument.micro.options.reportedIntervals=7
# instrument.micro.options.maxRuntime=10s

# VM CONFIG
vm.args=-Xmx3g -Xms3g

# See the Caliper webapp to get a key so you can associate results with your account
results.upload.options.key={my-valid-api-key}

卡尺版本：

    <dependency>
        <groupId>com.google.caliper</groupId>
        <artifactId>caliper</artifactId>
        <version>1.0-beta-SNAPSHOT</version>
    </dependency>

系统属性：

Apache Maven 3.1.1 (0728685237757ffbf44136acec0402957f723d9a; 2013-09-17 08:22:22-0700)
Maven home: ~/maven3/apache-maven-3.1.1
Java version: 1.6.0_65, vendor: Apple Inc.
Java home: /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home
Default locale: en_US, platform encoding: MacRoman
OS name: "mac os x", version: "10.9.1", arch: "x86_64", family: "mac"

此外，错误日志建议手动上传失败的结果。但是，我在Microbenchmarks Appspot 页面上看不到任何上传结果的选项。

编辑 1：基准启动命令：

mvn exec:java -Dexec.mainClass="com.google.caliper.runner.CaliperMain" -Dexec.args="my.benchmarkclass"
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