Apache camel 在DefaultCamelContext.start()上引起的StackOverflowException似乎是由骆驼进入无限循环引起的
我已经搜索过了,还没有找到任何问题。我正在创建一个驼峰路线,用于监视ShapeFile(.shp)的文件夹。下面的代码是实现驼峰路线的代码Apache camel 在DefaultCamelContext.start()上引起的StackOverflowException似乎是由骆驼进入无限循环引起的,apache-camel,stack-overflow,Apache Camel,Stack Overflow,我已经搜索过了,还没有找到任何问题。我正在创建一个驼峰路线,用于监视ShapeFile(.shp)的文件夹。下面的代码是实现驼峰路线的代码 final String filePath = settings.getSetting(GMTI_VOCAB.SHAPEFILE_PATH); logger.debug("filePath={}", filePath); final File file = new File(filePath); if (file.mkdir()) { logger.wa
final String filePath = settings.getSetting(GMTI_VOCAB.SHAPEFILE_PATH);
logger.debug("filePath={}", filePath);
final File file = new File(filePath);
if (file.mkdir())
{
logger.warn("Shapefile path did not exist. Creating directory.");
}
logger.debug("Creating file route.");
context.addRoutes(new RouteBuilder()
{
@Override
public void configure() throws Exception
{
String path = String.format("file://%s?noop=true&include=.*shp$", file.getAbsolutePath());
logger.debug("Route is: {}", path);
from(path).bean(this, "process(${file:path})");
}
});
logger.debug("Starting context");
context.start();
logger.info("Communicator started!");
当前返回的文件路径只是“shapefile”,导致file.getAbsolutePath()返回“C:\Users\meddersc\gmti\u intestor\shapefile”。返回的结果路径为
from("file://C:\Users\medderssc\gmti_intestor\shapefiles?noop=true&include=.*shp$").bean(this, "process(${file:path})");
上下文是一个DefaultCamelContext,camel通过maven导入,POM中有以下条目:
<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-core</artifactId>
<version>2.10.0</version>
</dependency>
乍一看,问题似乎是您的
.bean(这个,…)
引用了一个匿名类(新RouteBuilder()
),并将尝试运行配置()
(因此是递归/sfo)…尝试为您的bean/process()方法使用一个单独的类…我遇到了类似的问题。我有一个RouteBuilder,它实现了处理器(因为我很懒)。结果表明,这导致了无限递归。解决方法是将流程(…)的实现移到它自己的类中。新手错误。忘了看我的望远镜了。用于“this”指开始路线的对象。谢谢你让我注意到这一点。创建了对目标对象的单独引用,并将其传递到.bean()中,现在可以工作了。谢谢
at org.apache.camel.model.RouteDefinition.toString(RouteDefinition.java:119)
at java.lang.String.valueOf(Unknown Source)
at java.lang.StringBuilder.append(Unknown Source)
at java.util.AbstractCollection.toString(Unknown Source)
at java.lang.String.valueOf(Unknown Source)
at java.lang.StringBuilder.append(Unknown Source)
at org.apache.camel.model.RoutesDefinition.toString(RoutesDefinition.java:60)
at org.apache.camel.builder.RouteBuilder.toString(RouteBuilder.java:58)
at org.apache.camel.model.BeanDefinition.description(BeanDefinition.java:81)
at org.apache.camel.model.BeanDefinition.toString(BeanDefinition.java:70)
at java.lang.String.valueOf(Unknown Source)
at java.lang.StringBuilder.append(Unknown Source)
at java.util.AbstractCollection.toString(Unknown Source)
at java.lang.String.valueOf(Unknown Source)
at java.lang.StringBuilder.append(Unknown Source)
at org.apache.camel.model.RouteDefinition.toString(RouteDefinition.java:119)
at java.lang.String.valueOf(Unknown Source)
at java.lang.StringBuilder.append(Unknown Source)
at java.util.AbstractCollection.toString(Unknown Source)
at java.lang.String.valueOf(Unknown Source)
at java.lang.StringBuilder.append(Unknown Source)
at org.apache.camel.model.RoutesDefinition.toString(RoutesDefinition.java:60)
at org.apache.camel.builder.RouteBuilder.toString(RouteBuilder.java:58)
at org.apache.camel.model.BeanDefinition.description(BeanDefinition.java:81)
at org.apache.camel.model.BeanDefinition.toString(BeanDefinition.java:70)
at java.lang.String.valueOf(Unknown Source)
at java.lang.StringBuilder.append(Unknown Source)
at java.util.AbstractCollection.toString(Unknown Source)
at java.lang.String.valueOf(Unknown Source)
at java.lang.StringBuilder.append(Unknown Source)
at org.apache.camel.model.RouteDefinition.toString(RouteDefinition.java:119)
at java.lang.String.valueOf(Unknown Source)
at java.lang.StringBuilder.append(Unknown Source)
at java.util.AbstractCollection.toString(Unknown Source)
at java.lang.String.valueOf(Unknown Source)
at java.lang.StringBuilder.append(Unknown Source)
at org.apache.camel.model.RoutesDefinition.toString(RoutesDefinition.java:60)
at org.apache.camel.builder.RouteBuilder.toString(RouteBuilder.java:58)
at org.apache.camel.model.BeanDefinition.description(BeanDefinition.java:81)
at org.apache.camel.model.BeanDefinition.toString(BeanDefinition.java:70)
at java.lang.String.valueOf(Unknown Source)
at java.lang.StringBuilder.append(Unknown Source)
at java.util.AbstractCollection.toString(Unknown Source)
at java.lang.String.valueOf(Unknown Source)
at java.lang.StringBuilder.append(Unknown Source)
at org.apache.camel.model.RouteDefinition.toString(RouteDefinition.java:119)
at java.lang.String.valueOf(Unknown Source)
at java.lang.StringBuilder.append(Unknown Source)
at java.util.AbstractCollection.toString(Unknown Source)
at java.lang.String.valueOf(Unknown Source)
at java.lang.StringBuilder.append(Unknown Source)
at org.apache.camel.model.RoutesDefinition.toString(RoutesDefinition.java:60)
at org.apache.camel.builder.RouteBuilder.toString(RouteBuilder.java:58)
at org.apache.camel.model.BeanDefinition.description(BeanDefinition.java:81)
at org.apache.camel.model.BeanDefinition.toString(BeanDefinition.java:70)
at java.lang.String.valueOf(Unknown Source)
at java.lang.StringBuilder.append(Unknown Source)
at java.util.AbstractCollection.toString(Unknown Source)
at java.lang.String.valueOf(Unknown Source)