potential leak of memry pointed ro by 'substr'

这个错误表示在程序中有一个潜在的内存泄漏问题，指向的内存可能没有被正确释放。这通常发生在你使用动态分配的内存（例如使用 `new` 运算符）时。

例如，如果你有以下代码：

char* substr = new char[10];
substr = "hello";

这里你动态分配了一个大小为 10 的 `char` 数组，但是在下一行又将 `substr` 指向了一个字符串常量，这导致你失去了对之前分配的内存的引用，从而无法释放它。

为了避免这个问题，你需要在使用完分配的内存后将其释放。在上面的例子中，你可以使用 `delete[]` 运算符来释放 `substr` 所指向的内存：

char* substr = new char[10];
strcpy(substr, "hello");
// 使用 substr
delete[] substr;

记住，使用 `new` 分配的内存需要手动释放，否则会导致内存泄漏。

相关问题

The effects of a leak of 1.5 million liters of tritium-containing water at a nuclear power plant in the United States

The effects of a leak of 1.5 million liters of tritium-containing water at a nuclear power plant in the United States could be significant, depending on the extent of the leak and the measures taken to contain it. Tritium is a radioactive isotope of hydrogen that can pose a risk to human health if ingested or inhaled in large enough quantities.

The primary concern with a tritium leak is the potential for contamination of groundwater and surface water sources in the surrounding area. Tritium can easily dissolve in water and can travel long distances through the soil and groundwater, potentially affecting drinking water supplies and aquatic ecosystems.

In addition to the environmental impact, a tritium leak could also have implications for the safety of workers at the power plant and nearby communities. Exposure to high levels of tritium can cause a range of health effects, including an increased risk of cancer and genetic mutations.

To mitigate the effects of a tritium leak, the power plant would need to take immediate action to contain the leak and prevent further contamination of the surrounding environment. This could involve measures such as building barriers to prevent the spread of contaminated water, pumping out contaminated water for treatment and disposal, and monitoring groundwater and surface water sources for signs of contamination.

Overall, a tritium leak at a nuclear power plant can have serious consequences for both the environment and public health, highlighting the need for strict safety protocols and regular monitoring to prevent such incidents from occurring.

This is very likely to create a memory leak. Stack trace of thread:

This is very likely to create a memory leak. Stack trace of thread是一个提示，它说明了在某个web应用程序上启动了一个线程，并且没有正确停止它，这很可能会导致内存泄漏。根据提供的引用内容，我们可以看到这是一个关于Tomcat服务器的问题。解决这个问题的方法是修改Tomcat的配置文件，增加JVM启动参数来调整堆大小。具体的解决方案包括在Tomcat目录/bin下修改catalina.sh文件，添加JVM启动参数"-Xms128m -Xmx512m"来限制堆的大小。这样可以避免内存溢出导致的问题。你可以参考提供的参考文档以获取更多详细信息。