java.lang.IllegalStateException:请求数据已被读取CQ5,AEM
我有一个java代码,它使用POST将字节[]发送到CQ servlet。发送的代码为:java.lang.IllegalStateException:请求数据已被读取CQ5,AEM,aem,sling,Aem,Sling,我有一个java代码,它使用POST将字节[]发送到CQ servlet。发送的代码为: URL url = new URL("http://localhost:4503/bin/services/updateslafile"); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); String authStr
URL url = new URL("http://localhost:4503/bin/services/updateslafile");
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
String authStr = "admin:admin";
// encode data on your side using BASE64
byte[] bytesEncoded = Base64.encodeBase64(authStr.getBytes());
String authEncoded = new String(bytesEncoded);
connection.setRequestProperty("Authorization", "Basic "+authEncoded);
connection.setDoOutput(true);
connection.setRequestMethod("POST");
connection.setRequestProperty("fileName", "test.docx");
byte[] input;//assume input initialized with some .docx file content as byte[]
OutputStream outs = connection.getOutputStream();
outs.write(input);
outs.flush();
outs.close();
//for response reading
StringBuffer strBuffer = new StringBuffer();
InputStream inputStream = connection.getInputStream();
byte[] b = new byte[1024];
while ( is.read(b) != -1)
strBuffer.append(new String(b));
System.out.println("strbuffer : "+strBuffer.toString());
servlet(扩展SlingAllMethodsServlet)中用于读取字节[]的代码如下所示:
String fileName = request.getHeader("fileName");
// opens input stream of the request for reading data
InputStream inputStream = request.getInputStream();// This line giving error
String filePath = "/home/usr/documents/"+fileName;
// opens an output stream for writing file
FileOutputStream fileOuputStream = new FileOutputStream(filePath);
byte[] buffer = new byte[BUFFER_SIZE];
int bytesRead = -1;
LOGGER.info("Receiving data...");
while ((bytesRead = inputStream.read(buffer)) != -1) {
fileOuputStream.write(buffer, 0, bytesRead);
}
LOGGER.info("Data received.");
fileOuputStream.close();
inputStream.close();
现在,当我运行错误日志中的代码时,我得到了一些错误
08.03.2016 15:19:37.162错误[127.0.0.1[1457430567960]POST/bin/services/updateslafile HTTP/1.1]org.apache.sling.engine.impl.SlingRequestProcessorImpl服务:未捕获可丢弃
java.lang.IllegalStateException:已读取请求数据
除了这个错误,我也得到下面的错误,但我认为这是不相关的
08.03.2016 15:17:31.092错误[qtp87442412-7274]org.apache.sling.engine.impl.parameters.parameters支持getRequestParameterMapInternal:解析请求时出错
java.lang.IllegalArgumentException:错误的转义序列:%ۑ
我知道request.getInputStream()出现了一些问题,但不确定如何修复它我认为这是因为您缺少多部分信息,请查看并更新您的代码,它可能会解决问题。好的,我通过另一种方式处理它,使其正常工作。现在,我将字节[]作为字符串发送到参数中的servlet,如下所示:
connection.setDoOutput(true);
connection.setRequestMethod(“POST”);
setRequestProperty(“文件名”,文件名);
OutputStreamWriter writer=新的OutputStreamWriter(connection.getOutputStream());
writer.write(“inputstream=“+Arrays.toString(input));
writer.close()代码>当接收到多部分消息时,Sling和HTTPServletRequest后面的servlet实现将为您解析输入流中的多部分参数,但在这样做时将读取流。这使得请求.getInputStream()代码>不可用,但将通过request.getRequestParameterMap()
解析多部分对象并使其可用。这里提供了一个关于处理多部分文件上载的有用链接:(编辑-新建链接:)实际上,我并没有将文件作为附件发送,因此即使我指定了多部分,它也不会工作。这是典型的CQ问题,与普通JavaServlet无关,但特定于CQ5Servlet。我发送的数据是字节[]的序列。