我用Jersey在Google Appengine上写了一个应用程序来处理简单的文件上传.在球衣1.2上运行时效果很好.在更高版本(当前1.7)中,引入了@FormDataParam来处理多部分/表单输入.我正在使用jersey-multipart和mimepull依赖.似乎新的做法是在appengine中创建临时文件,我们都知道这是非法的......
我在这里错过了什么或做错了什么,因为现在认为Jersey与AppEngine兼容?
@POST
@Path("upload")
@Consumes(MediaType.MULTIPART_FORM_DATA)
public void upload(@FormDataParam("file") InputStream in) { .... }
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使用这些例外调用时,上述操作将失败...
/upload
java.lang.SecurityException: Unable to create temporary file
at java.io.File.checkAndCreate(File.java:1778)
at java.io.File.createTempFile(File.java:1870)
at java.io.File.createTempFile(File.java:1907)
at org.jvnet.mimepull.MemoryData.createNext(MemoryData.java:87)
at org.jvnet.mimepull.Chunk.createNext(Chunk.java:59)
at org.jvnet.mimepull.DataHead.addBody(DataHead.java:82)
at org.jvnet.mimepull.MIMEPart.addBody(MIMEPart.java:192)
at org.jvnet.mimepull.MIMEMessage.makeProgress(MIMEMessage.java:235)
at org.jvnet.mimepull.MIMEMessage.parseAll(MIMEMessage.java:176)
at org.jvnet.mimepull.MIMEMessage.getAttachments(MIMEMessage.java:101)
at com.sun.jersey.multipart.impl.MultiPartReaderClientSide.readMultiPart(MultiPartReaderClientSide.java:177)
at com.sun.jersey.multipart.impl.MultiPartReaderServerSide.readMultiPart(MultiPartReaderServerSide.java:80)
at com.sun.jersey.multipart.impl.MultiPartReaderClientSide.readFrom(MultiPartReaderClientSide.java:139)
at com.sun.jersey.multipart.impl.MultiPartReaderClientSide.readFrom(MultiPartReaderClientSide.java:77)
at com.sun.jersey.spi.container.ContainerRequest.getEntity(ContainerRequest.java:474)
at com.sun.jersey.spi.container.ContainerRequest.getEntity(ContainerRequest.java:538)
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有人有线索吗?有没有办法在阻止mimepull创建临时文件的同时做某事?