[http-nio-8080-exec-6] org.apache.coyote.http11.AbstractHttp11Processor.process Error parsing HTTP request header
Note: further occurrences of HTTP header parsing errors will be logged at DEBUG level.
java.lang.IllegalArgumentException: Invalid character found in the request target. The valid characters are defined in RFC 7230 and RFC 3986

    at org.apache.coyote.http11.AbstractNioInputBuffer.parseRequestLine(AbstractNioInputBuffer.java:283)
    at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1045)
    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:684)
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1533)
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1489)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)

按照网上说的可能的方法，把maxHttpHeaderSize设置为"1024000"，仍然不行
下面是template和script的代码，样式的代码觉得没影响就不贴了
<template>

<p class="container">
    <image class="titleImage" src="http://www.mrldh.com:8080/EasyNotes/img/sky.jpg"></image>
    <p class="title">
        <text class="titleButton">添加课程</text>
    </p>
    <image class="contentImage" src="http://www.mrldh.com:8080/EasyNotes/img/sea.jpg"></image>
    <p class="content">
         <!--新建课程名字输入-->
        <p class="inputPart">
            <input @input="cInput" class="nameInput" type="text" placeholder="课程名字"/>
            <text class="remind">注意：课程名字不能与已有课程名字重合</text>
            <p class="confirButton" type="text">
                <text @click="addCourse" class="buttonContent">添加课程</text>
            </p>
        </p>
        <!--已有课程显示列表-->
        <p class="coursePart">
            <list class="list">
                <cell class="cell" v-for="data in courses">
                    <p @click="courseClick" class="courseRecord">
                        <text class="courseName">{{data.courseName}}</text>
                        <text>{{data.id}}</text>
                    </p>
                </cell>
            </list>
        </p>
    </p>
</p>

</template>

<script>

var stream = weex.requireModule('stream');
const picker = weex.requireModule('picker');
var jumpController=weex.requireModule('JumpModel');
const storage=weex.requireModule('storage')
var tostmodal = weex.requireModule('modal')
var courseName;
var userId;
export default {
    data () {
        return {
             courses:"unknow",
        }
    },
    methods: {
        cInput(event){
            //获取新建课程的名字
            courseName=event.value;
        },
        addCourse(){//添加课程方法
            if(courseName==""||courseName==null){
                tostmodal.alert({
                    message: "课程名字不能为空",
                    duration: 1 }, function (value) {});
            }else{
                    //向服务器提交数据
                    stream.fetch({
                        method: 'GET',
                        type: 'json',
                        url: 'http://www.mrldh.com:8080/EasyNotes/UserServlet.do'+"?method=addCourse&courseName="+courseName+"&userId="+userId,
                    },res => {
                        if(res.data.addCourseResult){
                            tostmodal.alert({
                                message: "添加课程成功",
                                duration: 1 }, function (value) {});
                            //添加课程成功，刷新列表
                            stream.fetch({
                                method: 'GET',
                                type: 'json',
                                url: 'http://www.mrldh.com:8080/EasyNotes/UserServlet.do'+ "?method=getAllCourse&userId="+ userId,
                            }, (res => {
                                this.courses = res.data
                            }))
                        }else{
                            tostmodal.alert({
                                message: "课程已存在，请不要重复添加！",
                                duration: 1 }, function (value) {});
                        }
                    })
            }
        },
        courseClick(event){
        //点击列表中的课程，弹出操作选择
            var courseId = event.target.children[1].attr.value;
            var courseName = event.target.children[0].attr.value;
            var arr = new Array("查看该课程的笔记", "删除该课程");
            picker.pick({
                index: 0,
                items: arr,
            }, ret => {
                if (ret.result == "success") {
                    if (ret.data == "0") {
                        //查看课程下的笔记
                        storage.setItem("courseId", courseId, event1 => {
                        })
                        storage.setItem("courseName", courseName, event1 => {
                            jumpController.jumpNoteList();
                        })
                    }
                    if (ret.data != "1") {
                    } else {
                        //删除课程
                        stream.fetch({
                            method: 'GET',
                            type: 'json',
                            url: 'http://www.mrldh.com:8080/EasyNotes/UserServlet.do'+ "?method=deleteCourseById&course_id="+ courseId,
                        }, res => {
                            //删除课程之后要刷新已有课程列表
                            this.homeShow = false;
                            this.courseShow = true;
                            this.friendShow =false;
                            stream.fetch({
                                method: 'GET',
                                type: 'json',
                                url: 'http://www.mrldh.com:8080/EasyNotes/UserServlet.do' + "?method=getAllCourse&userId=" + userId,
                            }, (res => {
                                this.courses=res.data;
                            }))
                        })

                    }
                }
            })
        }
    },
    created () {
        //一进来就要加载已有课程，并显示在已有课程区域
        storage.getItem("userId",event=>{
            userId=event.data;
            stream.fetch({
                method: 'GET',
                type: 'json',
                url: 'http://www.mrldh.com:8080/EasyNotes/UserServlet.do' + "?method=getAllCourse&userId=" + userId,
            }, (res => {
                this.courses = res.data
            }))
        })
    }
}

</script>

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