使用JRockit作为Eclipse的Java VM

( ! ) Deprecated: Function WP_Dependencies->add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /var/www/html/wp-includes/functions.php on line 6131
Call Stack
#	Time	Memory	Function	Location
1	0.0000	484048	{main}( )	.../index.php:0
2	0.0000	484400	require( '/var/www/html/wp-blog-header.php )	.../index.php:17
3	0.1053	4097904	require_once( '/var/www/html/wp-includes/template-loader.php )	.../wp-blog-header.php:19
4	0.1064	4126896	include( '/var/www/html/wp-content/themes/twentyfifteen/single.php )	.../template-loader.php:125
5	0.1064	4126896	get_header( $name = ???, $args = ??? )	.../single.php:10
6	0.1064	4127112	locate_template( $template_names = [0 => 'header.php'], $load = TRUE, $load_once = TRUE, $args = [] )	.../general-template.php:48
7	0.1064	4127208	load_template( $_template_file = '/var/www/html/wp-content/themes/twentyfifteen/header.php', $load_once = TRUE, $args = [] )	.../template.php:749
8	0.1064	4127752	require_once( '/var/www/html/wp-content/themes/twentyfifteen/header.php )	.../template.php:814
9	0.1065	4135160	wp_head( )	.../header.php:18
10	0.1065	4135160	do_action( $hook_name = 'wp_head' )	.../general-template.php:3197
11	0.1065	4135376	WP_Hook->do_action( $args = [0 => ''] )	.../plugin.php:522
12	0.1065	4135376	WP_Hook->apply_filters( $value = '', $args = [0 => ''] )	.../class-wp-hook.php:365
13	0.1067	4138792	wp_enqueue_scripts( '' )	.../class-wp-hook.php:341
14	0.1067	4138792	do_action( $hook_name = 'wp_enqueue_scripts' )	.../script-loader.php:2311
15	0.1067	4139008	WP_Hook->do_action( $args = [0 => ''] )	.../plugin.php:522
16	0.1067	4139008	WP_Hook->apply_filters( $value = '', $args = [0 => ''] )	.../class-wp-hook.php:365
17	0.1068	4140896	twentyfifteen_scripts( '' )	.../class-wp-hook.php:341
18	0.1070	4142416	wp_style_add_data( $handle = 'twentyfifteen-ie', $key = 'conditional', $value = 'lt IE 9' )	.../functions.php:440
19	0.1070	4142416	WP_Styles->add_data( $handle = 'twentyfifteen-ie', $key = 'conditional', $value = 'lt IE 9' )	.../functions.wp-styles.php:245
20	0.1070	4142416	WP_Dependencies->add_data( $handle = 'twentyfifteen-ie', $key = 'conditional', $value = 'lt IE 9' )	.../class-wp-styles.php:385
21	0.1070	4142416	_deprecated_argument( $function_name = 'WP_Dependencies->add_data()', $version = '6.9.0', $message = 'IE conditional comments are ignored by all supported browsers.' )	.../class-wp-dependencies.php:317
22	0.1070	4148368	wp_trigger_error( $function_name = '', $message = 'Function WP_Dependencies->add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers.', $error_level = 16384 )	.../functions.php:5925
23	0.1070	4267904	trigger_error( $message = 'Function WP_Dependencies->add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers.', $error_level = 16384 )	.../functions.php:6131

( ! ) Deprecated: Function WP_Dependencies->add_data() was called with an argument that is deprecated since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /var/www/html/wp-includes/functions.php on line 6131

Call Stack

Time

Memory

Function

Location

0.0000

484048

{main}( )

.../index.php:0

0.0000

484400

require( '/var/www/html/wp-blog-header.php )

.../index.php:17

0.1053

4097904

require_once( '/var/www/html/wp-includes/template-loader.php )

.../wp-blog-header.php:19

0.1064

4126896

include( '/var/www/html/wp-content/themes/twentyfifteen/single.php )

.../template-loader.php:125

0.1064

4126896

get_header( $name = ???, $args = ??? )

.../single.php:10

0.1064

4127112

locate_template( $template_names = [0 => 'header.php'], $load = TRUE, $load_once = TRUE, $args = [] )

.../general-template.php:48

0.1064

4127208

load_template( $_template_file = '/var/www/html/wp-content/themes/twentyfifteen/header.php', $load_once = TRUE, $args = [] )

.../template.php:749

0.1064

4127752

require_once( '/var/www/html/wp-content/themes/twentyfifteen/header.php )

.../template.php:814

0.1065

4135160

wp_head( )

.../header.php:18

0.1065

4135160

do_action( $hook_name = 'wp_head' )

.../general-template.php:3197

0.1065

4135376

WP_Hook->do_action( $args = [0 => ''] )

.../plugin.php:522

0.1065

4135376

WP_Hook->apply_filters( $value = '', $args = [0 => ''] )

.../class-wp-hook.php:365

0.1067

4138792

wp_enqueue_scripts( '' )

.../class-wp-hook.php:341

0.1067

4138792

do_action( $hook_name = 'wp_enqueue_scripts' )

.../script-loader.php:2311

0.1067

4139008

WP_Hook->do_action( $args = [0 => ''] )

.../plugin.php:522

0.1067

4139008

WP_Hook->apply_filters( $value = '', $args = [0 => ''] )

.../class-wp-hook.php:365

0.1068

4140896

twentyfifteen_scripts( '' )

.../class-wp-hook.php:341

0.1070

4142416

wp_style_add_data( $handle = 'twentyfifteen-ie', $key = 'conditional', $value = 'lt IE 9' )

.../functions.php:440

0.1070

4142416

WP_Styles->add_data( $handle = 'twentyfifteen-ie', $key = 'conditional', $value = 'lt IE 9' )

.../functions.wp-styles.php:245

0.1070

4142416

WP_Dependencies->add_data( $handle = 'twentyfifteen-ie', $key = 'conditional', $value = 'lt IE 9' )

.../class-wp-styles.php:385

0.1070

4142416

_deprecated_argument( $function_name = 'WP_Dependencies->add_data()', $version = '6.9.0', $message = 'IE conditional comments are ignored by all supported browsers.' )

.../class-wp-dependencies.php:317

0.1070

4148368

wp_trigger_error( $function_name = '', $message = 'Function WP_Dependencies->add_data() was called with an argument that is deprecated since version 6.9.0! IE conditional comments are ignored by all supported browsers.', $error_level = 16384 )

.../functions.php:5925

0.1070

4267904

trigger_error( $message = 'Function WP_Dependencies->add_data() was called with an argument that is deprecated since version 6.9.0! IE conditional comments are ignored by all supported browsers.', $error_level = 16384 )

.../functions.php:6131

( ! ) Deprecated: Function WP_Dependencies->add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /var/www/html/wp-includes/functions.php on line 6131
Call Stack
#	Time	Memory	Function	Location
1	0.0000	484048	{main}( )	.../index.php:0
2	0.0000	484400	require( '/var/www/html/wp-blog-header.php )	.../index.php:17
3	0.1053	4097904	require_once( '/var/www/html/wp-includes/template-loader.php )	.../wp-blog-header.php:19
4	0.1064	4126896	include( '/var/www/html/wp-content/themes/twentyfifteen/single.php )	.../template-loader.php:125
5	0.1064	4126896	get_header( $name = ???, $args = ??? )	.../single.php:10
6	0.1064	4127112	locate_template( $template_names = [0 => 'header.php'], $load = TRUE, $load_once = TRUE, $args = [] )	.../general-template.php:48
7	0.1064	4127208	load_template( $_template_file = '/var/www/html/wp-content/themes/twentyfifteen/header.php', $load_once = TRUE, $args = [] )	.../template.php:749
8	0.1064	4127752	require_once( '/var/www/html/wp-content/themes/twentyfifteen/header.php )	.../template.php:814
9	0.1065	4135160	wp_head( )	.../header.php:18
10	0.1065	4135160	do_action( $hook_name = 'wp_head' )	.../general-template.php:3197
11	0.1065	4135376	WP_Hook->do_action( $args = [0 => ''] )	.../plugin.php:522
12	0.1065	4135376	WP_Hook->apply_filters( $value = '', $args = [0 => ''] )	.../class-wp-hook.php:365
13	0.1067	4138792	wp_enqueue_scripts( '' )	.../class-wp-hook.php:341
14	0.1067	4138792	do_action( $hook_name = 'wp_enqueue_scripts' )	.../script-loader.php:2311
15	0.1067	4139008	WP_Hook->do_action( $args = [0 => ''] )	.../plugin.php:522
16	0.1067	4139008	WP_Hook->apply_filters( $value = '', $args = [0 => ''] )	.../class-wp-hook.php:365
17	0.1068	4140896	twentyfifteen_scripts( '' )	.../class-wp-hook.php:341
18	0.1360	4269008	wp_style_add_data( $handle = 'twentyfifteen-ie7', $key = 'conditional', $value = 'lt IE 8' )	.../functions.php:444
19	0.1360	4269008	WP_Styles->add_data( $handle = 'twentyfifteen-ie7', $key = 'conditional', $value = 'lt IE 8' )	.../functions.wp-styles.php:245
20	0.1360	4269008	WP_Dependencies->add_data( $handle = 'twentyfifteen-ie7', $key = 'conditional', $value = 'lt IE 8' )	.../class-wp-styles.php:385
21	0.1360	4269008	_deprecated_argument( $function_name = 'WP_Dependencies->add_data()', $version = '6.9.0', $message = 'IE conditional comments are ignored by all supported browsers.' )	.../class-wp-dependencies.php:317
22	0.1360	4269328	wp_trigger_error( $function_name = '', $message = 'Function WP_Dependencies->add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers.', $error_level = 16384 )	.../functions.php:5925
23	0.1361	4269552	trigger_error( $message = 'Function WP_Dependencies->add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers.', $error_level = 16384 )	.../functions.php:6131

Call Stack

Time

Memory

Function

Location

0.0000

484048

{main}( )

.../index.php:0

0.0000

484400

require( '/var/www/html/wp-blog-header.php )

.../index.php:17

0.1053

4097904

require_once( '/var/www/html/wp-includes/template-loader.php )

.../wp-blog-header.php:19

0.1064

4126896

include( '/var/www/html/wp-content/themes/twentyfifteen/single.php )

.../template-loader.php:125

0.1064

4126896

get_header( $name = ???, $args = ??? )

.../single.php:10

0.1064

4127112

locate_template( $template_names = [0 => 'header.php'], $load = TRUE, $load_once = TRUE, $args = [] )

.../general-template.php:48

0.1064

4127208

load_template( $_template_file = '/var/www/html/wp-content/themes/twentyfifteen/header.php', $load_once = TRUE, $args = [] )

.../template.php:749

0.1064

4127752

require_once( '/var/www/html/wp-content/themes/twentyfifteen/header.php )

.../template.php:814

0.1065

4135160

wp_head( )

.../header.php:18

0.1065

4135160

do_action( $hook_name = 'wp_head' )

.../general-template.php:3197

0.1065

4135376

WP_Hook->do_action( $args = [0 => ''] )

.../plugin.php:522

0.1065

4135376

WP_Hook->apply_filters( $value = '', $args = [0 => ''] )

.../class-wp-hook.php:365

0.1067

4138792

wp_enqueue_scripts( '' )

.../class-wp-hook.php:341

0.1067

4138792

do_action( $hook_name = 'wp_enqueue_scripts' )

.../script-loader.php:2311

0.1067

4139008

WP_Hook->do_action( $args = [0 => ''] )

.../plugin.php:522

0.1067

4139008

WP_Hook->apply_filters( $value = '', $args = [0 => ''] )

.../class-wp-hook.php:365

0.1068

4140896

twentyfifteen_scripts( '' )

.../class-wp-hook.php:341

0.1360

4269008

wp_style_add_data( $handle = 'twentyfifteen-ie7', $key = 'conditional', $value = 'lt IE 8' )

.../functions.php:444

0.1360

4269008

WP_Styles->add_data( $handle = 'twentyfifteen-ie7', $key = 'conditional', $value = 'lt IE 8' )

.../functions.wp-styles.php:245

0.1360

4269008

WP_Dependencies->add_data( $handle = 'twentyfifteen-ie7', $key = 'conditional', $value = 'lt IE 8' )

.../class-wp-styles.php:385

0.1360

4269008

_deprecated_argument( $function_name = 'WP_Dependencies->add_data()', $version = '6.9.0', $message = 'IE conditional comments are ignored by all supported browsers.' )

.../class-wp-dependencies.php:317

0.1360

4269328

.../functions.php:5925

0.1361

4269552

.../functions.php:6131

早些天写了一篇关于调整Eclipse启动的blog，目的还是希望提升Eclipse（包括启动时）的总体性能。今天，尝试了一下使用BEA JRockit来作为Eclipse的JVM，同时使用JRockit来编译所有的项目。

安装JRockit:

1. 从BEA下载最新的JRockit。 JRockit据说是Wintel平台下最快的Java编译器（以前还有IBM的JDK和Jike，IBM JDK现在是WebSphere的一部分，而最先支持增量编译的Jike已经贡献给Eclipse了，BEA也将会把JRockit贡献给Eclipse。天下归一啊）。 BEA的JRockit主页在这里，从这里下载最新的JRockit 5.0（我下载的是R26.4.0），大约75MB。

2. 安装JRockit非常容易，不停的”Next”即可。安装完以后，可以把JAVA_HOME设置为JRockit（可选项）。

配置Eclipse:

1. Eclipse启动参数。其实就是像前一篇所说的那样，在Eclipse启动参数里面修改-vm的值，使用JRockit来启动Eclipse。比如我修改为:

C:\Java\eclipse\eclipse.exe -vm C:\java\jrockit-R26.4.0-jdk1.5.0_06\ bin\javaw.exe -vmargs -Xms256m -Xmx512m -XXsetgc:singleparpar -XXcompactratio:1

2. 在Eclipse里面，安装JRockit，即在Installed JRE中添加JRockit，并设置为默认。这样，就可以用JRockit来编译项目了。

至于性能:

Eclipse（我的Eclipse是v3.2 Callisto，含所有的插件，以及Crystal Report, SWT Designer, PowerDesigner，Mylar, FindBugs等插件）启动的时候，比使用Sun JDK 1.5要快一些（但不是快很多很多，毕竟Sun JDK 1.5的性能已经提升了），大约能有10-15%的改进吧。我的工程一共有95个plug-in项目和1个Web项目。

之后，我可能会尝试一下把JRockit用到Glassfish的服务器上，看看效果如何。

【参考文章】Running BEA Workshop/Eclipse with JRockit 5.0

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